factory customized Precision Sewing Machine Parts - gear shaft – Daohong Detail:
Professional Information
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Process |
Turning, Hobbing, Milling, Shaping, Broaching,Shaving, Grinding and Lapping |
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Heat treat |
Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding etc. |
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Finishing |
Blacking, Polishing, Anodization, Chrome Plating, Zinc Plating, Nickel Plating |
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Module |
1∼30 |
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Features |
The most common type of gear;Easy to manufacture;No axial force when running;Economic and good quality consistence. |
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Applications |
General Transmission Components; Offshore Drilling |
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Regular Materials and Heat Treatment |
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GB/JB |
DIN |
JIS |
SAE/AISI |
Case Hardening |
Case Hardness |
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40CrNiMo |
34CrNiMo6 |
SNCM439 |
4340 |
Nitriding |
46-50HRC |
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20CrMo |
20CrMo44 |
SCT42 |
4119/4118 |
Carburizing |
42-45HRC or 55-60HRC |
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20CrNiMo |
– |
SNCCM220 |
8620 |
Carburizing |
55-60 HRC or 58-62 HRC |
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20CrMnTi |
– |
– |
– |
Carburizing |
55-60 HRC |
Heat Treatment Cycle: Carburizing /Nitriding → Normalize → Quench → Clean → Temper → Shot Blast
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Precision Grade , Process Methods and Application Standard : GB 10095-88,DIN 3961-78;ISO 1328-75/GB 10095-88;JIS 1702-74; AGMA 39003-71
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| Precision grade |
Grade 5 |
Grade 6 |
Grade 7 |
Grade 8 |
Grade 9/10 |
| Module range | Gleason M10∼M40 | Spur/helical M3∼M40 |
Spur/helical M3∼M40 |
Spur/helical M3∼M40 |
Spur/helical M3∼M40 |
| Outside Dia(max) |
φ1500mm |
Φ2000mm |
Φ2000mm |
Φ3000mm |
Φ3000mm |
| Final Process |
fine grinding |
fine grinding or shaving |
grinding, shaving , lapping |
shaving |
– |
| Teeth Surface Roughness |
Ra 0.8 μm |
Ra 0.8 μm |
Ra 1.6 μm |
Ra 1.6-3.2 μm |
Ra 3.2-6.3 μm |
| Application
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Measuring gear
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locomotive
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craneforging machinetractors,trucks
universal reducer
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crane farm machinery forging machine tractors,trucks universal reducer |
crane farm machinery forging machine mine machinery tractors |
| Why Choose US | •100% manufacturer |
• Rich production experience
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•Advanced GEAR Machine
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•Strict Quality Control System
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•Flexible MOQ •Fast delivery
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Packing:
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Carton Size |
29*20*13 CM or customer’s request |
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Pallet size |
120*80*80 CM or customer’s request |
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Lead time |
3-7 working days as usual.It will based on the detailed order quantity. |
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Packing Details |
Method 1: Shrink film, then bulk loading |
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Method 2: Shrink film + box + pallet/ wooden case |
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Method 3: PP + wooden case |
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Method 4: As per customers’ requirements or negotiated |
Product detail pictures:
Related Product Guide:
To be a result of ours specialty and repair consciousness, our corporation has won an excellent reputation amongst customers all around the entire world for factory customized Precision Sewing Machine Parts - gear shaft – Daohong, The product will supply to all over the world, such as: Iran, Bahrain, Serbia, We now have to continue to uphold the "quality, detailed, efficient" business philosophy of "honest, responsible, innovative"spirit of service, abide by the contract and abide by reputation, first-class goods and improve service welcome overseas customers patrons.
By Elvira from Auckland - 2018.05.15 10:52
Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces，a nice business partner.
By Alexia from Singapore - 2018.09.21 11:01