Specifications

1. Professional Gear Manufacturer
2. Experience in Cooperate with Fortune 500 Companies
3. Stable Quality
4. Reasonable price

bull ring gear cutting specifications:

Tooth trace Involute material 4119 Process Forging, carburization and teeth shaping Pressure angle 20° Quality level AGMA 9 Type Mn=3, Z=60 Brand NYY

  

Our Feature:
1) In-house capability: OEM service as per customers' requests, with in-house tooling design & fabricating

 

2) Professional engineering capability: on product design, optimization and performance analysis

 

3) Manufacturing capability range: DIN 3960 class 8 to 4, ISO 1328 class 8 to 4, AGMA 2000 class 10-15, JIS 1702-1703 class 0 to 2, etc.

 

4) Packing: Tailor-made packaging method according to customer's requirement

 

5)  Just-in-time delivery capability
 

Primary Competitive Advantages:
• Professional Gear Manufacturer
• Experience in Cooperate with Fortune 500 Companies
• Professional Engineering Capability
• Stable Quality
• Reasonable Price
• Small Orders Accepted
• Continuous Improvements
• High Product Performance
• Prompt Delivery
• Professional Service
 

Gear and Gear Shaft Product Specifications:

Material	Alloy Steel	Casting Steel	Gray cast iron	Ductile Iron	Weldment
	20CrMnTi	20CrMnTi	HT200	QT400-18	20CrMnTi
	20CrMnMo	20CrMnMo	HT250	QT400-15	20CrMnMo
	20 CrMo	20 CrMo			20 CrMo
	35CrMo	35CrMo			35CrMo
	42CrMo	42CrMo			42CrMo
	20Cr2Ni4A	20Cr2Ni4A			20Cr2Ni4A
	20CrNiMo	20CrNiMo			20CrNiMo
	20CrNi2Mo	20CrNi2Mo			20CrNi2Mo
	40CrNiMo	40CrNiMo			40CrNiMo
	18CrNiMo7-6	18CrNiMo7-6			18CrNiMo7-6
	17CrNiMo6	17CrNiMo6			17CrNiMo6
	34 CrNiMo6	34 CrNiMo6			34 CrNiMo6
	18Cr2Ni4WA	18Cr2Ni4WA			18Cr2Ni4WA
	18Cr2Ni4WE	18Cr2Ni4WE			18Cr2Ni4WE
	45 C	45 C			45 C
	40Cr	40Cr			40Cr
	38CrMoAl	38CrMoAl			38CrMoAl
	16Mn	16Mn			16Mn
	16MnCr5	16MnCr5			16MnCr5
	GCr15	GCr15			GCr15
Modulus	1mm-50mm
Accuracy	DIN Class 4, ISO/GB Class 4, AGMA Class 13, JIS Class 0
Standard	DIN, ISO/GB, AGMA, JIS
Heat treatment	Quenching and tempering, gear teeth induction quenching, nitriding, carburization
Application	Wind turbine, locomotive, feeding machinery, metallurgy machinery, mining machinery
Gear shaft length	2500mm max.
Weight	15 tons max.

 

Capabilities of Gears/ Splines

INTERNAL GEARS AND INTERNAL SPLINES
	Milled	SHAPED	GROUND
Maximum O.D.	2500 mm	2500 mm	2500 mm
Minimum I.D.	30 mm	30 mm	320 mm
Maximum Face Width	500 mm	500 mm	500 mm
Maximum DP	DP 1	DP 1	DP 0.5
Maximum Module	26 mm	26 mm	45 mm
AGMA Level/ DIN Level	DIN Class 8	DIN Class 8	DIN Class 4
Tooth Finish	Ra 3.2	Ra 3.2	Ra 0.6
Maximum Helix Angle	±22.5°	±22.5°	±45°
EXTERNAL GEARS AND EXTERNAL SPLINES
	HOBBED	MILLed	GROUND
Maximum O.D.	2500 mm	2500 mm	2500 mm
Minimum O.D.	20 mm	20 mm	20 mm
Maximum Face Width	500 mm	500 mm	1480 mm
Maximum DP	DP 1	DP 1	DP 0.5
Maximum Module	26 mm	26 mm	45 mm
AGMA Level/ DIN Level	DIN Class 8	DIN Class 8	DIN Class 4
Tooth Finish	Ra 3.2	Ra 3.2	Ra 0.6
Maximum Helix Angle	±45°	±45°	±45°

  

 

 

 

Q&A:

Trade information:

1. Q: What’s the MOQ (minimum order quantity)?
A: One piece.

 

2. Q: What’s the best FOB price?
A: Our price is made as per your drawing specification as well as the purchasing quantity.

 

3. Q: What’s the lead time?
A: Normally, it takes around 60 days.

 

4. Q: Why the lead time is so long?
A: One gear part is made in around 20 machining processes. If every process takes 1 to 2 days, then it’s already at least 40 days. Not to say the forging and heat treatment time which take around 7 days min.

 

5. Q: What’s the payment term?
A: FOB Shanghai, paid by T/T. We will ask for down payment before production, and the balance paid off before shipment. Of course, we may also negotiate it.

 

6. Q: What kind of packing can you provide?
A: Tailor-made packaging method according to customer's requirement, otherwise, we will make the sea-worthy packing.

 

7. Q: Which countries have you exported?
A: Germany, Denmark, Spain, Holland, Italy, Japan, India, Indonesia, etc.

 

Service and quality information:

8. Q: Can you make as per custom drawing?
A: Yes, we can do that.

 

9. Q: If I don’t have drawing, what can you do for me?
A: If you don’t have drawing, but have the sample part, you may send us. We will check if we can make it or not.

 

10. Q: How do you make sure the quality of your products?
A: We will do a series of inspections, such as:
a. raw material inspection (includes chemical and physical mechanical characters inspection),
b. machining process dimensional inspection (includes: 1^st pc inspection, self inspection, final inspection),
c. heat treatment result inspection,
d. gear tooth inspection (to know the achieved gear quality level),
e. magnetic particle inspection (to know if there’s any cracks in the gear).
We will provide you the reports 1 set for each batch/ shipment.