Good Quality Custom Aluminum Bicycle Parts - gear shaft – Daohong Detail:
Professional Information
Process |
Turning, Hobbing, Milling, Shaping, Broaching,Shaving, Grinding and Lapping |
Heat treat |
Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding etc. |
Finishing |
Blacking, Polishing, Anodization, Chrome Plating, Zinc Plating, Nickel Plating |
Module |
1∼30 |
Features |
The most common type of gear;Easy to manufacture;No axial force when running;Economic and good quality consistence. |
Applications |
General Transmission Components; Offshore Drilling |
Regular Materials and Heat Treatment |
|||||
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
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
|
•Advanced GEAR Machine
|
•Strict Quality Control System
|
•Flexible MOQ •Fast delivery
|
Packing:
Carton Size |
29*20*13 CM or customer’s request |
Pallet size |
120*80*80 CM or customer’s request |
Lead time |
3-7 working days as usual.It will based on the detailed order quantity. |
Packing Details |
Method 1: Shrink film, then bulk loading |
Method 2: Shrink film + box + pallet/ wooden case |
|
Method 3: PP + wooden case |
|
Method 4: As per customers’ requirements or negotiated |
Product detail pictures:






Related Product Guide:
We continue to keep increasing and perfecting our solutions and service. At the same time, we operate actively to do research and enhancement for Good Quality Custom Aluminum Bicycle Parts - gear shaft – Daohong, The product will supply to all over the world, such as: Sri Lanka, US, Saudi Arabia, Profession, Devoting are always fundamental to our mission. We have always been in line with serving customers, creating value management objectives and adhering to the sincerity, dedication, persistent management idea.

The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.

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