factory customized Precision Sewing Machine Parts - gear shaft – Daohong

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factory customized Precision Sewing Machine 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
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	292013 CM or customer’s request
Pallet size	1208080 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

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It is our responsibility to meet your needs and efficiently serve you. Your satisfaction is our best reward. We are looking forward to your visit for joint growth for factory customized Precision Sewing Machine Parts - gear shaft – Daohong, The product will supply to all over the world, such as: Anguilla, Korea, Moscow, Faced with the vitality of the global wave of economic integration, we are confident with our high-quality products and sincerely service to all our customers and wish we can cooperate with you to create a brilliant future.

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