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 |
|
40CrNiMo |
34CrNiMo6 |
SNCM439 |
4340 |
Nitriding |
46-50HRC |
|
20CrMo |
20CrMo44 |
SCT42 |
4119/4118 |
Carburizing |
42-45HRC or 55-60HRC |
|
20CrNiMo |
– |
SNCCM220 |
8620 |
Carburizing |
55-60 HRC or 58-62 HRC |
|
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
|
Measuring gear
|
locomotive
|
craneforging machinetractors,trucks
universal reducer
|
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:
Every single member from our large efficiency revenue team values customers' wants and company communication for factory customized Precision Sewing Machine Parts - gear shaft – Daohong, The product will supply to all over the world, such as: belarus, Russia, Mecca, With a fully integrated operation system, our company has won a good fame for our high quality products, reasonable prices and good services. Meanwhile, we have established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of "Credit first and customer supremacy", we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.
By Judith from Malta - 2017.09.28 18:29
Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
By Adela from Hungary - 2018.12.22 12:52
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