Screw GearsDelivery term:The date of payment from buyers deliver within days
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Our metric screw gears come in stainless steel, mild steel, aluminum bronze or plastic materials. Screw gears are available in M1 to M4 module sizes. Click any of the screw gear images to view full product details.
Screw gears, also sometimes called crossed helical gears, are helical gears used in motion transmission between non-intersecting shafts. The helical gears used in parallel shafts have the same helix angle but in the opposite directions. For shaft angles other than parallel, an arbitrary helix angle can be chosen, and, assuming no profile shift, the intersecting angle of the shafts is the sum of the respective helix angles. Helical gears have point contacts and have lower efficiency than parallel or perpendicular shaft gears and cannot transmit heavy loads.
Also, if the same material is used in screw gears, it could lead to friction and galling. Therefore, We recommends the use of different materials in a pair. Besides, unlike bevel gears, there are no restrictions on the numbers of teeth combinations and the speed transmission ratio becomes the number of teeth of the driving gear divided by the number of teeth of the driven gear. Please consult the “Gear Applications” pages for the actual working of screw gears.
1.CAN YOU DO CUSTOMIZED PRODUCTS?
Yes,we are mainly doing customized products according to the customers’ drawings or samples.
2.HOW TO GUARANTEE THE QUALITY OF YOUR GOODS?
Firstly, We will do the inspection after every process.For the finished products,we will do 100% inspection according to the customers’ requirements and the international standard.Secondly,we have our own testing lab and the most advanced and complete inspection equipment in the casting industry,including Spectrometer, Metallographic Microscope, Tension Tester, Low Temperature Tester, X-ray Tester, MPT, UT, CMM, Video Measurement Machine and so on.With these advanced facilities & instruments, we are able to supply the most precise finished products to our customers, and make products meeting their overall inspection requirements on chemical composition, mechanical properties, non-destructive testing and high precise dimensional inspections.
3.WHERE ARE YOUR PRODUCTS MAINLY EXPORTED TO?
Our products are mainly exported to over 30 countries such as USA,Germany,Japan,Spain,Italy,UK,Korea,Australia,Canada and etc.Our clients include many OEM customers who specialize in train,automobile,forklift and construction machinery,we already have had cooperation with more than 10 of the world’s Top 500 companies as one of their major casting suppliers in China.
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