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| SIZE | large |
| Quality Standard | ISO,DIN,JIS |
| Product Name | worm gear |
| Application | Mining |
| Name | High Precision worm gear |
| Certificate | ISO9001 |
| specification | large worm gear |
| Product Keywords | manual worm gear screw jack,manual worm gear box,long worm gear shafts |
Worm Gear Characteristic:
1.A large transmission ratio can be obtained, which is more compact than the staggered shaft helical gear mechanism.2. There is line contact between the meshing tooth surfaces of the two wheels, and its bearing capacity is much higher than that of the cross axis helical gear mechanism. 3. Worm drive is equivalent to screw drive, which is multi tooth meshing drive, so the drive is stable and the noise is very small. 4. It is self-locking. When the lead angle of the worm is less than the equivalent friction angle between the meshing teeth, the mechanism has self-locking property, which can realize reverse self-locking, that is, only the worm can drive the worm wheel, but not the worm wheel. Such as the self-locking worm mechanism used in lifting machinery, its reverse self-locking can play a role of safety protection. 5. The transmission efficiency is low and the wear is serious. When the worm gear is meshed, the relative sliding speed between the meshing teeth is large, so the friction loss is large and the efficiency is low. On the other hand, the relative sliding speed makes the tooth surface seriously worn and heated. In order to dissipate heat and reduce wear, expensive materials with good antifriction and wear resistance and good lubrication devices are often used, so the cost is high. 6. The axial force of worm is large.
worm gear large size , heavy duty forging



manual worm gear screw jack
APX Not only spare parts, parts assembly can be done!
APX has Comprehensive processing technology: cutting, riveting, turning, milling, drilling, boring, machining center, heat treatment, grinding and assembly.
APX Provide OEM processing, customized processing.
Processing range:
The processing range of sheet metal is 4000mm × 6000mm;
Shaft diameter is φ 20 to φ 1000, and shaft length is within 4000mm;
Rings can be machined to within 5000mm

Q: Why choose APX machinery company for Manual worm gear screw jack box long shafts worms ?
A: 1. APX is located in Luoyang which is one of the biggest Manual worm gear screw jack box long shafts worms manufacturing bases in China. We,devoting in the girth gear technology developing and manufacturing,have developed non-standard girth gear according to customers’ requirements.
Q: Which country have APX exported ?
A: We have developed and exported several Manual worm gear screw jack box long shafts worms :
Manual worm gear screw jack box long shafts worms to Japan.
Manual worm gear screw jack box long shafts worms exported to Holland for cement machinery.
Manual worm gear screw jack box long shafts worms exported to Middle Asia .
Q: what is you strength of APX for Manual worm gear screw jack box long shafts worms ?
A: We have strong technical support in Manual worm gear screw jack box long shafts worms designing, processing and inspection and quality control to meet customer needs with following advantages:
1.High Quality ,good material and 100% inspection .
2.Reasonable Price
3.Short Delivery Time
4.Best Service,With some spcial software and experience about the choosing suitable material we provide customer the best service promptly.
Q: How APX can say their quality is good ?
A: We pay more attention to the quality.Each procudure is tracked and quality record files are provided:
Material certification,
Heat treatment report,
Manual worm gear screw jack box long shafts worms inspection data,
We are responsible for products and are willing to slove any prombles by connecting customers closely.
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