Product Description
Product Description
1. Material: Gray Iron or Ductile Iron;
Gray iron HT200-350 (GG20-35, FC200-350);Ductile Iron QT400-QT600(GGG40-GGG60,FCD400-FCD600)
2. Surface treatment: Shot blast, painting; Heat treatment is optional;
3. Custom according to your drawing, specification or samples;
Material |
Gray Iron Casting/Ductile Iron Casting |
Process |
Resin sand casting/shell mold casting/investment + CNC machining |
Casting Tolerance | CT9-10 for Machine Molding Process, CT8-9 for Shell Molding and Lost Foam Molding Casting Process CT10-11 for Manual Molding Sand casting Process |
Casting surface roughness |
Ra 12.5-25 um |
Casting weight range |
3kg to 2.5tons per piece |
Casting Size |
As Requirement/As drawing |
Machining surface roughness |
As Requirement |
Material standard |
GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR |
Surface treatment |
KTL (E-coating), Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling, black oxide, Painting, Hot galvanizing, Powder coating, and Nickel plating. |
Service available |
OEM & ODM |
Quality control/Testing facility |
Sectrometer, tensile test machine, hardness test machine,metallographic microscope. 100% inspection |
Application |
Train & railway, automobile& truck, construction machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery,construction, valves and pumps, electric machine, hardware, power equipment, and so on. |
Product Parameters
Mechanical character
Grey Iron Grade in GB 9439 Gray iron Castings | |||
Gray Iron Grade | Single Specimen Tensile Strength σb≥/Mpa |
Wall Thickness /mm |
Tensile Strength σb≥/Mpa |
HT100 | 100 | >2.5~10 | 130 |
>10~20 | 100 | ||
>20~30 | 90 | ||
>30~40 | 80 | ||
HT150 | 150 | >2.5~10 | 175 |
>10~20 | 145 | ||
>20~30 | 130 | ||
>30~40 | 120 | ||
HT200 | 200 | >2.5~10 | 220 |
>10~20 | 195 | ||
>20~30 | 170 | ||
>30~40 | 160 | ||
HT250 | 250 | >2.5~10 | 270 |
>10~20 | 240 | ||
>20~30 | 220 | ||
>30~40 | 200 | ||
HT300 | 300 | >10~20 | 290 |
>20~30 | 250 | ||
>30~40 | 230 | ||
HT350 | 350 | >10~20 | 340 |
>20~30 | 290 | ||
>30~40 | 260 |
Ductile Iron Grade in GB1348 Ductile Iron Castings | ||||
Iron Grade | Wall Thickness /mm |
Tensile Strength(Min Mpa) | Yield Strength(Min Mpa) | elongation % Min |
QT400-18A | >30~60 | 390 | 250 | 18 |
>60~200 | 370 | 240 | 12 | |
QT400-15A | >30~60 | 390 | 250 | 15 |
>60~200 | 370 | 240 | 12 | |
QT500-7A | >30~60 | 450 | 300 | 7 |
>60~200 | 420 | 290 | 5 | |
QT600-3A | >30~60 | 600 | 360 | 3 |
>60~200 | 550 | 430 | 1 | |
QT700-2A | >30~60 | 700 | 400 | 2 |
>60~200 | 650 | 380 | 1 |
Gray Iron Material Grades | ||||||||
Country | Standard | Equivalent Grades of Grey Iron (Gray Cast Iron) | ||||||
ISO | ISO 185 | 100 | 150 | 200 | 250 | 300 | 350 | – |
China | GB 9439 | HT100 | HT150 | HT200 | HT250 | HT300 | HT350 | – |
USA | ASTM A48 | – | NO.20 | NO.30 | NO.35 | NO.40 | NO.50 | NO.55 |
NO.25 | NO.45 | NO.60 | ||||||
Germany | DIN 1691 | GG10 | GG15 | GG20 | GG25 | GG30 | GG35 | GG40 |
Austria | ||||||||
European | EN 1561 | EN-GJL-100 | EN-GJL-150 | EN-GJL-200 | EN-GJL-250 | EN-GJL-300 | EN-GJL-350 | |
Japan | JIS G5501 | FC100 | FC150 | FC200 | FC250 | FC300 | FC350 | – |
Italy | UNI 5007 | G10 | G15 | G20 | G25 | G30 | G35 | – |
France | NF A32-101 | – | FGL150 | FGL200 | FGL250 | FGL300 | FGL350 | FGL400 |
UK | BS 1452 | 100 | 150 | 200 | 250 | 300 | 350 | – |
India | IS 210 | – | FG150 | FG200 | FG260 | FG300 | FG350 | FG400 |
Spain | UNF | – | FG15 | FG20 | FG25 | FG30 | FG35 | – |
Belgium | NBN 830-01 | FGG10 | FGG15 | FGG20 | FGG25 | FGG30 | FGG35 | FGG40 |
Australia | AS 1830 | – | T150 | T220 | T260 | T300 | T350 | T400 |
Sweden | SS 14 01 | O110 | O115 | O120 | O125 | O130 | O135 | O140 |
Norway | NS11 100 | SJG100 | SJG150 | SJG200 | SJG250 | SJG300 | SJG350 | – |
Ductile /Nodular Cast Iron Material Grades | ||||||||
Country | Standard | Equivalent Grades of Ductile iron (SG Iron, Nodular Graphite Iron) | ||||||
ISO | ISO 1083 | 400-15 | 450-10 | 500-7 | 600-3 | 700-2 | 800-2 | 900-2 |
400-18 | ||||||||
China | GB 1348 | QT400-18 | QT450-10 | QT500-7 | QT600-3 | QT700-2 | QT800-2 | QT900-2 |
USA | ASTM A536 | 60-40-18 | 60-42-10 | 70-50-05 | 80-55-06 | 100-70-03 | 120-90-02 | – |
65-45-12 | 80-60-03 | |||||||
Germany | DIN 1693 | GGG40 | – | GGG50 | GGG60 | GGG70 | GGG80 | – |
Austria | ||||||||
European | EN 1563 | EN-GJS-400-15 | EN-GJS-450-10 | EN-GJS-500-7 | EN-GJS-600-3 | EN-GJS-700-2 | EN-GJS-800-2 | EN-GJS-900-2 |
EN-GJS-400-18 | ||||||||
Japan | JIS G5502 | FCD400 | FCD450 | FCD500 | FCD600 | FCD700 | FCD800 | – |
Italy | UNI 4544 | GS370-17 | GS400-12 | GS500-7 | GS600-2 | GS700-2 | GS800-2 | – |
France | NF A32-201 | FGS370-17 | FGS400-12 | FGS500-7 | FGS600-2 | FGS700-2 | FGS800-2 | – |
UK | BS 2789 | 400/17 | 420/12 | 500/7 | 600/7 | 700/2 | 800/2 | 900/2 |
India | IS 1865 | SG370/17 | SG400/12 | SG500/7 | SG600/3 | SG700/2 | SG800/2 | – |
Spain | UNF | FGE38-17 | FGE42-12 | FGE50-7 | FGE60-2 | FGE70-2 | FGE80-2 | – |
Belgium | NBN 830-02 | FNG38-17 | FNG42-12 | FNG50-7 | FNG60-2 | FNG70-2 | FNG80-2 | – |
Australia | AS 1831 | 300-17 | – | 500-7 | 600-3 | 700-2 | 800-2 | – |
400-12 | ||||||||
Sweden | SS 14 07 | 0571 -02 | – | 0727-02 | 571-03 | 571-01 | 0864-03 | – |
Norway | NS11 301 | SJK-400.3 | – | SJK-500 | SJK-600 | SJK-700 | SJK-800 | |
SJK-400 |
Company Profile
About Us
ZheJiang Shengrong High-end Equipment Manufacturing Industry Co., Ltd . is a professional Gray cast iron/Ductile iron foundry in ZheJiang province in China,We produce iron casting parts:Machinery Bases,Construction machinery parts, Industrial pump parts,Gearbox parts,Automotive parts,Agriculture machine parts and OEM part. We have passed quality management system ISO 9001 and IATF16949. Our factory is located in Maba Town, Xihu (West Lake) Dis. County, HangZhou City, ZheJiang province, covering an area of about 245 acres with new standardized factory building more than 200,000 square meters, office building of 6,000 square meters, more than 500 employees, including more than 100 technological engineer.
Our company produces ductile iron and gray cast iron series products, with an annual output of 80,000 tons,products are exported to the United States, Germany, Italy, Russia, Brazil, Vietnam, the Middle East and other regions.
Our company has a modern workshop, complete casting production equipment, advanced physical and chemical analysis, testing equipment, constantly importing the world’s advanced technology and a large number of professional technical personnel, expanding advanced production and testing equipment, so that make our products can meet the different requirements of customers
ZheJiang Shengrong does our best to provide high-quality foundry machinery parts for the market, Serves domestic and foreign customers with the most cost-effective products, and make our contributing to China’s foundry industry.
Technology
Gray/Ductile/Nodular Iron Casting Parts-Our Process
Investment Casting Resin Sand/Coated Sand Casting Shell Moulding
Detailed Photos
Our Equipment and Testing
Certifications
FAQ
How to order?
1:Before quotation, please send me requirement details:
Casting Iron grade and number; Testing rod specification;
Casting parts order quantity;
The detailed drawing to indicate the tollerance(size, weight), technology standard,roughness;
Offering mold-yes or no;
Machining requirement details;
Heat treament;
Shipping details if special;
Testing requirement -If need and details;
Other information if required
2: Small order and samples order is acceptable by our factory
Contact us for price and details now
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Type: | Chemical Hardening Sand |
---|---|
Casting Method: | Thermal Gravity Casting |
Sand Core Type: | Resin Sand Core |
Application: | Machinery Parts |
Machining: | CNC Machining |
Material: | Iron |
Samples: |
US$ 20/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
Benefits of Regular Gearbox Maintenance
Regular maintenance of gearboxes offers numerous advantages:
- Extended Lifespan: Proper maintenance helps prevent premature wear and breakdown, increasing the gearbox’s overall lifespan.
- Reduced Downtime: Regular inspections and maintenance can identify issues early, minimizing unplanned downtime for repairs.
- Improved Efficiency: Well-maintained gearboxes operate more efficiently, leading to energy savings and optimized performance.
- Cost Savings: Routine maintenance reduces the need for costly major repairs or replacements.
- Enhanced Safety: Regular maintenance ensures safe operation by addressing potential hazards and malfunctions.
- Optimal Performance: Properly maintained gearboxes deliver consistent and reliable performance for machinery and equipment.
- Preserved Functionality: Maintenance prevents issues that could lead to reduced functionality or complete failure.
- Reduced Environmental Impact: Well-maintained gearboxes consume less energy and minimize waste, contributing to sustainability efforts.
- Compliance: Regular maintenance helps meet industry regulations and standards for equipment safety and performance.
Implementing a proactive maintenance plan can provide these benefits and contribute to the overall success of your machinery and operations.
editor by CX 2024-03-27
China Hot selling CZPT Arrow Znfpx-60 Plastic Machine High Torque Twin Screw Extruder Gearbox components of gearbox
Product Description
Overview
Product Description
Wide Selection of Gearbox Products
The gearbox usually adopts a general design scheme, but in special cases, the design scheme of the gearbox can be changed according to the demands of the user, and it can be modified into an industry-specific gearbox. In the design scheme of the gearbox, the parallel shaft, vertical shaft, general box, and various parts can be changed
Advantages
- Absorption of very high torques and axial forces
- No need for separate thrust housing & bearing.
- Easy alignment (screw directly fits into the vore of gear box)
- Easy to assemble & dismantle.
- Very heavy duty spherical roller thrust bearing is provided.
- Power saving. (you may save up to 20 % power.)
- Less requirement of space.
- For bigger sizes water cooling is provided
- No maintenance required except periodic oil level checking.
- Higher productivity
Features
- Twin Screw Extruder Gearboxes offer the dual shaft counter rotating. The range is available for various center distances
- The gearboxes are available with co-rotating and counter rotating variants
- To work under heavy loading force, the high level dissipation and oil lubrication system are provided. The axial roller type swivel thrust with the thrust bearing coupled in tandem way support the axial thrust
- High torque and high speed output rate
Processing Characteristics of Screw Shaft:
1.Suitable suggestion on material to ensure components performance and extend lifetime of products.
2.Professional technical team can provide surveying and mapping support.
3.All components are finished by CNC machine.
4.Sophisticated quality management system ensure superior quality.
Basic Info.
Warranty: 1 year | Weight (KG): 500 KG |
Place of Origin: HangZhou, China |
Gearing Arrangement: helical |
ratio: 8-20 |
Output Torque: 2*176 |
standard: JB/T8853-2001 |
Certificate: CE |
Heat treatment: High-frequency Hardening |
Efficiency: 94%~98%(depends on the transmission stage) |
Customized support:OEM ODM | Input/output shaft material 40Cr |
Package: Wooden case |
Mount position: Flange, hollow shaft, CHINAMFG shaft |
After-sale:Online 24/7 Installation Xihu (West Lake) Dis. | advantage: excellent quality |
Reduction radio: 3:1 |
Mount Position: Horizontal Foot Mounted Vertical |
Input Speed: 1500 |
Output Speed: 500 |
Packaging & delivery
Packing: wooden case packing |
|
Port: HangZhou Port |
Applications
X helical gear units for double-screw extruders with parallel drive shafts and the same direction of screw rotation are used mainly in the manufacture of granulates and the refining of raw plastics. Other areas of application include:
- Paint and lacquer industry
- Washing agent industry
- Foodstuff industry (e.g. bread, pasta)
- Animal-feed industry (dog, cat other animal food
Maintenance of the gearbox of the dual-screw extruder
1. The gear box of the dual-screw extruder should be well-ventilated, and the working environment temperature should be within the range of 5-35 °C.
2. Always check the oil quantity of the gear lubricating oil in the box to ensure that the transmission parts in the box are well lubricated.
3. Pay attention to check the bearing parts of the box frequently. The oil temperature of the oil tank of the transmission box should not exceed 70 ºC during operation.
4. The newly put into use gearbox needs to replace the lubricating oil after 250 hours of operation. The oil change time depends on the state of the oil. It is recommended to replace it after 4000-8000 hours of operation or once a year.
5. The gearbox of the dual-screw extruder needs to be regularly maintained and inspected once a year
Operating Process
1. The gear on the input shaft is driven by the motor and starts to rotate.
2. The rotating input gear meshes with other gears inside the gearbox, transmitting power.
3. Different-sized gears within the gearbox are combined to form a gear train. Through continuous meshing and rotation, the high-speed, low-torque power from the input shaft gradually converts into low-speed, high-torque output.
4. The output shaft is connected to the last gear and transfers the output torque to the load.
5. Gear reduction gearboxes typically include lubrication and cooling systems to ensure smooth operation and prevent overheating and damage.
6. Our extruder gearbox converts high-speed, low-torque power into low-speed, high-torque output by changing the size ratios and meshing arrangements of different gears, achieving the function of speed reduction.
Types of Gearboxes:
Based on customer requirements, gear reduction gearboxes can be classified according to the size of the output shaft, center distance of the output shaft, output speed, and torque. Alternatively, we can provide several commonly used types of gearboxes for customers to choose from.
Product Service
24-hour Hotline
No matter when and where to call we can find our service to you.
|
Pre-sales Consultation
We have 5 sales people online, and whether you have any question can be solved through online communication. |
After-sales Services
Receive products have any questions about the product, can look for us,we will help you deal with the the first time,to your satisfaction. |
Exhibition
Certificate
Company profile
ZheJiang Arrow Machinery Co., Ltd.is a company specializing in R&D, production, sales, application promotion of food engineering projects. As 1 of the largest scaled food processing equipment &whole plant engineering problem solvers in China, machines served for more than 970 companies, export to 116 countries, area, more than 20 years engineering team, we recognize that quality equals value, aims to create a great future together with global customers.
FAQ
1. Q: How about Arrow Machinery?
R: ZheJiang Arrow Machinery Co., Ltd. is a High-Tech company. Our firm is composed of a strong
team which has substantial experience in R&D, manufacture, technique and sales service and has
specialized in extruder industry for 10 years,leading screw barrel manufacturer in China.
2. Q:What’s Arrow machinery’s capacity?
R:Company is in strict accordance with CE and ISO9001 quality certification system.There are over 200
models of extruders and spare parts.
3. Q:What’s the delivery time?
R:For regular size, we have finished stock and semi-finished stock, 2 weeks max enough
for customized, normally within 20days .
4. Q:How about the gearbox quality and price?
R: top quality in China with competitive price and globle after-sale service
5. Q:what’s the life time and guarantee buy from Arrow machinery ?
R: 3~5years life time for nitriding ones and bimtallic ones will be longer
One year min. Guarantee.
6.Q:Where is Arrow Machinery factory and how to reach there?
R:NO.47 Chengbohu Road, Xihu (West Lake) Dis. District,HangZhou City, China. You can take the train or plane to HangZhou and we can pick you up.
7.Q:How to contact with you?
R:just reply to me if have any question.
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
---|
Application: | Motor, Machinery |
---|---|
Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
Layout: | Three-Ring |
Customization: |
Available
| Customized Request |
---|
How to Choose the Right Gearbox for Your Machinery
Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:
- Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
- Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
- Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
- Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
- Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
- Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
- Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
- Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
- Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
- Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
- Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.
Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.
editor by CX 2023-09-22
China manufacturer Gearbox Base Casting Parts of Earth Moving Machine differential gearbox
Product Description
Product Description
1. Material: Gray Iron or Ductile Iron;
Gray iron HT200-350 (GG20-35, FC200-350);Ductile Iron QT400-QT600(GGG40-GGG60,FCD400-FCD600)
2. Surface treatment: Shot blast, painting; Heat treatment is optional;
3. Custom according to your drawing, specification or samples;
Material |
Gray Iron Casting/Ductile Iron Casting |
Process |
Resin sand casting/shell mold casting/investment + CNC machining |
Casting Tolerance | CT9-10 for Machine Molding Process, CT8-9 for Shell Molding and Lost Foam Molding Casting Process CT10-11 for Manual Molding Sand casting Process |
Casting surface roughness |
Ra 12.5-25 um |
Casting weight range |
3kg to 2.5tons per piece |
Casting Size |
As Requirement/As drawing |
Machining surface roughness |
As Requirement |
Material standard |
GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR |
Surface treatment |
KTL (E-coating), Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling, black oxide, Painting, Hot galvanizing, Powder coating, and Nickel plating. |
Service available |
OEM & ODM |
Quality control/Testing facility |
Sectrometer, tensile test machine, hardness test machine,metallographic microscope. 100% inspection |
Application |
Train & railway, automobile& truck, construction machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery,construction, valves and pumps, electric machine, hardware, power equipment, and so on. |
Product Parameters
Mechanical character
Grey Iron Grade in GB 9439 Gray iron Castings | |||
Gray Iron Grade | Single Specimen Tensile Strength σb≥/Mpa |
Wall Thickness /mm |
Tensile Strength σb≥/Mpa |
HT100 | 100 | >2.5~10 | 130 |
>10~20 | 100 | ||
>20~30 | 90 | ||
>30~40 | 80 | ||
HT150 | 150 | >2.5~10 | 175 |
>10~20 | 145 | ||
>20~30 | 130 | ||
>30~40 | 120 | ||
HT200 | 200 | >2.5~10 | 220 |
>10~20 | 195 | ||
>20~30 | 170 | ||
>30~40 | 160 | ||
HT250 | 250 | >2.5~10 | 270 |
>10~20 | 240 | ||
>20~30 | 220 | ||
>30~40 | 200 | ||
HT300 | 300 | >10~20 | 290 |
>20~30 | 250 | ||
>30~40 | 230 | ||
HT350 | 350 | >10~20 | 340 |
>20~30 | 290 | ||
>30~40 | 260 |
Ductile Iron Grade in GB1348 Ductile Iron Castings | ||||
Iron Grade | Wall Thickness /mm |
Tensile Strength(Min Mpa) | Yield Strength(Min Mpa) | elongation % Min |
QT400-18A | >30~60 | 390 | 250 | 18 |
>60~200 | 370 | 240 | 12 | |
QT400-15A | >30~60 | 390 | 250 | 15 |
>60~200 | 370 | 240 | 12 | |
QT500-7A | >30~60 | 450 | 300 | 7 |
>60~200 | 420 | 290 | 5 | |
QT600-3A | >30~60 | 600 | 360 | 3 |
>60~200 | 550 | 430 | 1 | |
QT700-2A | >30~60 | 700 | 400 | 2 |
>60~200 | 650 | 380 | 1 |
Gray Iron Material Grades | ||||||||
Country | Standard | Equivalent Grades of Grey Iron (Gray Cast Iron) | ||||||
ISO | ISO 185 | 100 | 150 | 200 | 250 | 300 | 350 | – |
China | GB 9439 | HT100 | HT150 | HT200 | HT250 | HT300 | HT350 | – |
USA | ASTM A48 | – | NO.20 | NO.30 | NO.35 | NO.40 | NO.50 | NO.55 |
NO.25 | NO.45 | NO.60 | ||||||
Germany | DIN 1691 | GG10 | GG15 | GG20 | GG25 | GG30 | GG35 | GG40 |
Austria | ||||||||
European | EN 1561 | EN-GJL-100 | EN-GJL-150 | EN-GJL-200 | EN-GJL-250 | EN-GJL-300 | EN-GJL-350 | |
Japan | JIS G5501 | FC100 | FC150 | FC200 | FC250 | FC300 | FC350 | – |
Italy | UNI 5007 | G10 | G15 | G20 | G25 | G30 | G35 | – |
France | NF A32-101 | – | FGL150 | FGL200 | FGL250 | FGL300 | FGL350 | FGL400 |
UK | BS 1452 | 100 | 150 | 200 | 250 | 300 | 350 | – |
India | IS 210 | – | FG150 | FG200 | FG260 | FG300 | FG350 | FG400 |
Spain | UNF | – | FG15 | FG20 | FG25 | FG30 | FG35 | – |
Belgium | NBN 830-01 | FGG10 | FGG15 | FGG20 | FGG25 | FGG30 | FGG35 | FGG40 |
Australia | AS 1830 | – | T150 | T220 | T260 | T300 | T350 | T400 |
Sweden | SS 14 01 | O110 | O115 | O120 | O125 | O130 | O135 | O140 |
Norway | NS11 100 | SJG100 | SJG150 | SJG200 | SJG250 | SJG300 | SJG350 | – |
Ductile /Nodular Cast Iron Material Grades | ||||||||
Country | Standard | Equivalent Grades of Ductile iron (SG Iron, Nodular Graphite Iron) | ||||||
ISO | ISO 1083 | 400-15 | 450-10 | 500-7 | 600-3 | 700-2 | 800-2 | 900-2 |
400-18 | ||||||||
China | GB 1348 | QT400-18 | QT450-10 | QT500-7 | QT600-3 | QT700-2 | QT800-2 | QT900-2 |
USA | ASTM A536 | 60-40-18 | 60-42-10 | 70-50-05 | 80-55-06 | 100-70-03 | 120-90-02 | – |
65-45-12 | 80-60-03 | |||||||
Germany | DIN 1693 | GGG40 | – | GGG50 | GGG60 | GGG70 | GGG80 | – |
Austria | ||||||||
European | EN 1563 | EN-GJS-400-15 | EN-GJS-450-10 | EN-GJS-500-7 | EN-GJS-600-3 | EN-GJS-700-2 | EN-GJS-800-2 | EN-GJS-900-2 |
EN-GJS-400-18 | ||||||||
Japan | JIS G5502 | FCD400 | FCD450 | FCD500 | FCD600 | FCD700 | FCD800 | – |
Italy | UNI 4544 | GS370-17 | GS400-12 | GS500-7 | GS600-2 | GS700-2 | GS800-2 | – |
France | NF A32-201 | FGS370-17 | FGS400-12 | FGS500-7 | FGS600-2 | FGS700-2 | FGS800-2 | – |
UK | BS 2789 | 400/17 | 420/12 | 500/7 | 600/7 | 700/2 | 800/2 | 900/2 |
India | IS 1865 | SG370/17 | SG400/12 | SG500/7 | SG600/3 | SG700/2 | SG800/2 | – |
Spain | UNF | FGE38-17 | FGE42-12 | FGE50-7 | FGE60-2 | FGE70-2 | FGE80-2 | – |
Belgium | NBN 830-02 | FNG38-17 | FNG42-12 | FNG50-7 | FNG60-2 | FNG70-2 | FNG80-2 | – |
Australia | AS 1831 | 300-17 | – | 500-7 | 600-3 | 700-2 | 800-2 | – |
400-12 | ||||||||
Sweden | SS 14 07 | 0571 -02 | – | 0727-02 | 571-03 | 571-01 | 0864-03 | – |
Norway | NS11 301 | SJK-400.3 | – | SJK-500 | SJK-600 | SJK-700 | SJK-800 | |
SJK-400 |
Company Profile
About Us
ZheJiang Shengrong High-end Equipment Manufacturing Industry Co., Ltd. is a professional Gray cast iron/Ductile iron foundry in ZheJiang province in China,We produce iron casting parts:Machinery Bases,Construction machinery parts, Industrial pump parts,Gearbox parts,Automotive parts,Agriculture machine parts and OEM part. We have passed quality management system ISO 9001 and IATF16949. Our factory is located in Maba Town, Xihu (West Lake) Dis. County, HangZhou City, ZheJiang province, covering an area of about 245 acres with new standardized factory building more than 200,000 square meters, office building of 6,000 square meters, more than 500 employees, including more than 100 technological engineer.
Our company produces ductile iron and gray cast iron series products, with an annual output of 80,000 tons,products are exported to the United States, Germany, Italy, Russia, Brazil, Vietnam, the Middle East and other regions.
Our company has a modern workshop, complete casting production equipment, advanced physical and chemical analysis, testing equipment, constantly importing the world’s advanced technology and a large number of professional technical personnel, expanding advanced production and testing equipment, so that make our products can meet the different requirements of customers
ZheJiang Shengrong does our best to provide high-quality foundry machinery parts for the market, Serves domestic and foreign customers with the most cost-effective products, and make our contributing to China’s foundry industry.
Technology
Gray/Ductile/Nodular Iron Casting Parts-Our Process
Investment Casting Resin Sand/Coated Sand Casting Shell Moulding
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Casting Method: | Thermal Gravity Casting |
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Process: | Investment Casting |
Molding Technics: | Gravity Casting |
Application: | Machinery Parts |
Material: | Ductile Iron/Grey Iron |
Surface Preparation: | Sand Blast |
Customization: |
Available
| Customized Request |
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What Is a Gearbox?
There are several factors to consider when choosing a gearbox. Backlash, for example, is a consideration, as it is the angle at which the output shaft can rotate without the input shaft moving. While this isn’t necessary in applications without load reversals, it is important for precision applications involving load reversals. Examples of these applications include automation and robotics. If backlash is a concern, you may want to look at other factors, such as the number of teeth in each gear.
Function of a gearbox
A gearbox is a mechanical unit that consists of a chain or set of gears. The gears are mounted on a shaft and are supported by rolling element bearings. These devices alter the speed or torque of the machine they are used in. Gearboxes can be used for a wide variety of applications. Here are some examples of how gearboxes function. Read on to discover more about the gears that make up a gearbox.
Regardless of the type of transmission, most gearboxes are equipped with a secondary gear and a primary one. While the gear ratios are the same for both the primary and secondary transmission, the gearboxes may differ in size and efficiency. High-performance racing cars typically employ a gearbox with two green and one blue gear. Gearboxes are often mounted in the front or rear of the engine.
The primary function of a gearbox is to transfer torque from one shaft to another. The ratio of the driving gear’s teeth to the receiving member determines how much torque is transmitted. A large gear ratio will cause the main shaft to revolve at a slower speed and have a high torque compared to its counter shaft. Conversely, a low gear ratio will allow the vehicle to turn at a lower speed and produce a lower torque.
A conventional gearbox has input and output gears. The countershaft is connected to a universal shaft. The input and output gears are arranged to match the speed and torque of each other. The gear ratio determines how fast a car can go and how much torque it can generate. Most conventional transmissions use four gear ratios, with one reverse gear. Some have two shafts and three inputs. However, if the gear ratios are high, the engine will experience a loss of torque.
In the study of gearbox performance, a large amount of data has been collected. A highly ambitious segmentation process has yielded nearly 20,000 feature vectors. These results are the most detailed and comprehensive of all the available data. This research has a dual curse – the first is the large volume of data collected for the purpose of characterization, while the second is the high dimensionality. The latter is a complication that arises when the experimental gearbox is not designed to perform well.
Bzvacklash
The main function of a gearhead is to multiply a moment of force and create a mechanical advantage. However, backlash can cause a variety of issues for the system, including impaired positioning accuracy and lowered overall performance. A zero backlash gearbox can eliminate motion losses caused by backlash and improve overall system performance. Here are some common problems associated with backlash in gearheads and how to fix them. After you understand how to fix gearbox backlash, you’ll be able to design a machine that meets your requirements.
To reduce gearbox backlash, many designers try to decrease the center distance of the gears. This eliminates space for lubrication and promotes excessive tooth mesh, which leads to premature mesh failure. To minimize gearbox backlash, a gear manufacturer may separate the two parts of the gear and adjust the mesh center distance between them. To do this, rotate one gear with respect to the fixed gear, while adjusting the other gear’s effective tooth thickness.
Several manufacturing processes may introduce errors, and reducing tooth thickness will minimize this error. Gears with bevel teeth are a prime example of this. This type of gear features a small number of teeth in comparison to its mating gear. In addition to reducing tooth thickness, bevel gears also reduce backlash. While bevel gears have fewer teeth than their mating gear, all of their backlash allowance is applied to the larger gear.
A gear’s backlash can affect the efficiency of a gearbox. In an ideal gear, the backlash is zero. But if there is too much, backlash can cause damage to the gears and cause it to malfunction. Therefore, the goal of gearbox backlash is to minimize this problem. However, this may require the use of a micrometer. To determine how much gearbox backlash you need, you can use a dial gauge or feeler gauge.
If you’ve been looking for a way to reduce backlash, a gearbox’s backlash may be the answer. However, backlash is not a revolt against the manufacturer. It is an error in motion that occurs naturally in gear systems that change direction. If it is left unaccounted for, it can lead to major gear degradation and even compromise the entire system. In this article, we’ll explain how backlash affects gears and how it affects the performance of a gearbox.
Design
The design of gearboxes consists of a variety of factors, including the type of material used, power requirements, speed and reduction ratio, and the application for which the unit is intended. The process of designing a gearbox usually begins with a description of the machine or gearbox and its intended use. Other key parameters to consider during gearbox design include the size and weight of the gear, its overall gear ratio and number of reductions, as well as the lubrication methods used.
During the design process, the customer and supplier will participate in various design reviews. These include concept or initial design review, manufacturing design validation, critical design review, and final design review. The customer may also initiate the process by initiating a DFMEA. After receiving the initial design approval, the design will go through several iterations before the finalized design is frozen. In some cases, the customer will require a DFMEA of the gearbox.
The speed increaser gearboxes also require special design considerations. These gearboxes typically operate at high speeds, causing problems with gear dynamics. Furthermore, the high speeds of the unit increase frictional and drag forces. A proper design of this component should minimize the effect of these forces. To solve these problems, a gearbox should incorporate a brake system. In some cases, an external force may also increase frictional forces.
Various types of gear arrangements are used in gearboxes. The design of the teeth of the gears plays a significant role in defining the type of gear arrangement in the gearbox. Spur gear is an example of a gear arrangement, which has teeth that run parallel to the axis of rotation. These gears offer high gear ratios and are often used in multiple stages. So, it is possible to create a gearbox that meets the needs of your application.
The design of gearboxes is the most complex process in the engineering process. These complex devices are made of multiple types of gears and are mounted on shafts. They are supported by rolling element bearings and are used for a variety of applications. In general, a gearbox is used to reduce speed and torque and change direction. Gearboxes are commonly used in motor vehicles, but can also be found in pedal bicycles and fixed machines.
Manufacturers
There are several major segments in the gearbox market, including industrial, mining, and automotive. Gearbox manufacturers are required to understand the application and user industries to design a gearbox that meets their specific requirements. Basic knowledge of metallurgy is necessary. Multinational companies also provide gearbox solutions for the power generation industry, shipping industry, and automotive industries. To make their products more competitive, they need to focus on product innovation, geographical expansion, and customer retention.
The CZPT Group started as a small company in 1976. Since then, it has become a global reference in mechanical transmissions. Its production range includes gears, reduction gearboxes, and geared motors. The company was the first in Italy to achieve ISO certification, and it continues to grow into one of the world’s leading manufacturers of production gearboxes. As the industry evolves, CZPT focuses on research and development to create better products.
The agriculture industry uses gearboxes to implement a variety of processes. They are used in tractors, pumps, and agricultural machinery. The automotive industry uses gears in automobiles, but they are also found in mining and tea processing machinery. Industrial gearboxes also play an important role in feed and speed drives. The gearbox industry has a diverse portfolio of manufacturers and suppliers. Here are some examples of gearboxes:
Gearboxes are complex pieces of equipment. They must be used properly to optimize efficiency and extend their lifespan. Manufacturers employ advanced technology and strict quality control processes to ensure their products meet the highest standards. In addition to manufacturing precision and reliability, gearbox manufacturers ensure that their products are safe for use in the production of industrial machinery. They are also used in office machines and medical equipment. However, the automotive gearbox market is becoming increasingly competitive.
editor by CX 2023-07-13