High Speed Train Gearbox Alloy Steel Helical Gear

Our Gear, Pinion Shaft, Ring Gear Capabilities: 

Capabilities of Gears/ Splines
	Item	Internal Gears and Internal Splines			External Gears and External Splines
Milled		Shaped	Ground	Hobbed	Milled	Ground
Max O.D.	2500 mm
Min I.D.(mm)	30		320	20
Max Face Width(mm)	500					1480
Max DP	1		0.5	1		0.5
Max Module(mm)	26		45	26		45
DIN Class Level	DIN Class 8		DIN Class 4	DIN Class 8		DIN Class 4
Tooth Finish	Ra 3.2		Ra 0.6	Ra 3.2		Ra 0.6
Max Helix Angle	±22.5°		±45°

 
Our Main Products
1. Spur Gear
2. Planetary Gear
3. Metal Gears
4. Gear Wheel
5. Ring Gear
6. Gear Shaft
7. Helical Gear
8. Pinion Gear
9. Spline Shaft  

1. 21 years experience in high quality gear, gear shaft's production, sales and R&D.

2. Our Gear, Gear Shaft are certificated by ISO9001: 2008 and ISO14001: 2004.

3. NYY has more than 50 patents in high quality Gear, Gear Shaft manufacturing.

4. NYY products are exported to America, Europe.

5. Experience in cooperate with many Fortune 500 Companies

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

1. Q: Can you make as per custom drawing?

A: Yes, we can do that.

2. 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.

3. 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: 1st 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.