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Metallurgy Machinery Soft Tooth Flank Helical Gear

  • involute
  • 45
  • 20°
  • DIN 3962 class 6
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Product Description

Gear Basic Data
Gear Tooth Shape involute
Gear Material 45
Gear Process forging, lathing, hobbing, external grinding, keyway milling, tooth grinding
Pressure Angle 20°
Quality level DIN 3962 class 6
Gear Type Mn=3, Z=128, β=11.5°, α=20°, left-handed

Capabilities of Gear/Spline

Internal Gears and Internal Splines
Maximum O.D. 2500 mm 2500 mm 2500 mm
Minimum I.D. 650 mm 50 mm 100 mm
Maximum Face Width 500 mm 500 mm 500 mm
Maximum Diametral Pitch D.P. 1 D.P. 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 Surface Finishing Ra 3.2 Ra 3.2 Ra 0.6
Maximum Helix Angle ±22.5° ±22.5° ±45°
External Gears and External Splines
Maximum O.D. 1250 mm 2500 mm 2500 mm
Minimum O.D. 20 mm 200 mm 20 mm
Maximum Face Width 500 mm 500 mm 1480 mm
Maximum Diametral Pitch D.P. 1 D.P. 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 Surface Finishing Ra 3.2 Ra 3.2 Ra 0.6
Maximum Helix Angle ±45° ±45° ±45°

Products Show

Why choose our custom gear service?

One 、HZPT Machinery established the R&D center with certain famous national universities and introduced the world-famous top-leveled design software. With a powerful technical team, we have the professional design capability of gears and gear cases.

Two 、Our company has tooth production equipment for tooth forming, such as tooth milling, tooth shaping, and tooth hobbing. A good selection of equipment can get more stable quality and maximum efficiency. We have German HÖFLER gear grinding machines that can make the spur cylindrical gear, helical cylindrical gear, herringbone gear, inner spur gear, and the inner helical gear. With reasonable frock clamp and gear datum precision, we could make gears in a small batch with precision class DIN 2 to DIN 3 or mass production with precision class DIN 5 to DIN 6.

Three 、We have a professional fluorescent magnetic particle flaw detector to inspect 100% magnetic powder for all grinding surfaces. It will ensure the parts have no surface flaws, such as grinding cracks.

Four 、HZPT Machinery focuses on production details. The unique transportation instrument design and usage and complete logistics package transportation plan are used to ensure transportation safety.

Five 、We mark a permanent traceability code on the work-piece surface for traceability. Each product has a personal I.D. to trace to each process, heat treatment furnace number, and batch number of raw material.


Q: What should I do if I cannot identify the gear?

A: Please send us your damaged gear! We specialize in reverse engineering.

Q: Do you have a minimum order quantity?

A: Our minimum requirements depend on the parts ordered. Send us your drawings, pictures, sample gears, or specifications, and we will let you know the minimum requirements for the position.

Q: If there is no stock, how can HZPT Machinery provide such fast delivery?

A: Our unique manufacturing process, coupled with a large stock of tools, raw materials, and semi-finished products, allows us to complete orders in the shortest possible time.

Q: How to get the lowest price?

A: Increase the quantity. The more parts you order, the lower the price you get.

Q: Can I use other materials besides steel to manufacture rack and pinion?

A: The price of racks is not fixed. Generally, we need to quote according to the customer's required parameters such as material, tooth type, module, length, accuracy, style, spiral angle, and unique customization!

Q: How to get the lowest price?

A: Increase the quantity. The more parts you order, the lower the price you get.

Q: Is there a rack and pinion on your website in stock?

A: Everything we do is made to order. All parts on our website are pre-designed and will be manufactured when ordering, so you can request different sizes of end face widths, eyelets, wheels, etc.

Q: Can HZPT Machinery manufacture Gears that are not on this site?

A: Of course! We can provide custom gears with excellent delivery options as standard gears.

Q: Can HZPT Machinery manufacture metric gears?

A: Of course! We have the tools to manufacture any metric size.

industries we service

We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

hzpt oem odm banner

pruduct quality report

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.product materials available

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

product finishing


product packages


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

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