| Customization: | Available |
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Metric Gear |
| Hardness: | Hardened Tooth Surface |
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worm and wheel outside diameter internal gears terminology
In its manufacturing, because of its shape, the usual hobbing machine used in spur gear production cannot be used. Generally it is made with gear shaper (or gear shaping machine) equipped with a pinion cutter. More recently, the efficiency of internal gear cutting has been improved by a different process called skiving.
As it is seen from the precision class ring gears, due to the thinness of the ring, it is sometimes difficult to produce high precision. On the other hand, gear grinding to improve precision grade is limited by the number of manufacturers and their available grinding facilities leading to very high cost.
Also, although it is generally too expensive to make helical teeth internal gears, KHK has made it possible to produce them by adopting equipment that can cut them by simply making pinion cutters and not needing helical guides.
Normally, internal gears can be used with the same module spur gears, depending on the number of teeth combinations, but it is necessary to note the possibilities of getting involute, trochoid or trimming interferences. For using KHK's standard stock gears, please consult the PDF formatted "Technical Information of Internal Gears" section for usable number of teeth combinations.
Internal gears are often used in applications involving planetary gear drives and gear couplings. There are three major types of planetary gear mechanisms: planetary, solar and star types. Depending on the type and the pattern of which shafts act as input and output, many variations of speed transmission ratios and rotational directions are produced.
Standard Gears Selections:
We can produce large forging,casting and welding gears according to customer's drawings.According to the working conditions and clients' request,we also can do gear grinding,surface hardening,cemented and quenching,Nitriding and quenching,etc.
| Material | C45,40Cr,20CrMnTi,42CrMo, Copper, Stainless steel,aluminum alloy or as per your requests. |
| Process Method | Forging, Machining, Hobbing, Milling, Shaving, Grinding |
| Heat Treatment | Quenching,Tempering, High-frequency Hardening, Carburizing,Nitriding...... |
| Testing Equipment | Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments |
Q1 What do I need for offering a quote?
R: Please offer us 2D or 3D drawings(with material, dimensions, tolerance,surface treatment and other technical requirement etc.), quantity, application or samples. Then we will quote the best price within 24 hours.
Q2 How long is your delivery time?
R: The general delivery date is 30 days, and we allow 10 days under special situation.
Q3 How to gurantee the quality of gears and parts?
R: We are ISO 9001:2008 certified factory and have an integrated inspection system for industrial parts quality control from material to outcoming products.
Q4 Are you trading company or manufacturer ?
R: We are machinery parts manufactuer in China with two manufacturing bases.
Q5 What kind of producing equipments do you have?
R: Our major equipments include CNC latches machine, CNC machining center, grinder, hobbing machine, gear shaping machine, CNC gear grinding machine etc.
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