Changzhou Prevail Motors and Electrical Equipment Co., Ltd
Changzhou Prevail Motors and Electrical Equipment Co., Ltd
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60rpm Nema 51 Helical Worm Gearbox Gear Motor,12v Helical Worm Gear Motor
1. This series helical gearmotor own rational design, compact construction, smaller size than X or B series cycloidal gearmotor at the same permitted torque.
2. Little vibration and low noise, with high transmission efficiency.
3. The material of gears is 20CrMnTi alloy steel and the hardness can reach to HRC58°~ 62° after tempering, cementiting,quenching etc. heat treatment. All the gears are processed by accurate grinding and the precision can reach to grade 6~5.
4. The products have been mainly used in chemical machinery, cement agitator machinery, printing and packaging machinery,mine and power transmission machinery, metallurgy etc.
| Housing material | HT250 high-strength cast iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40℃ |
| Temp. rise (Oil)(MAX) | 50℃ |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China Top brand HRB,LYC,ZWZ or other brands requested, NSK….. |
| Brand of oil seal | NAK--- Taiwan or other brands requested |
1. Low noise and long life
2. Efficient and energy saving
3. Wide range of uses
4. Tamagawa 2500PPR incremental encoder
Company Introduction
Changzhou paliwei Motor Co., Ltd was a high technology industry zone in Changzhou, China. Our products are used in many kinds of machines, such as 3d printers CNC machines, medical equipment, weaving printing equipment, and so on.
Q: How to order?
A: send us an inquiry → receive our quotation → negotiate details → confirm the sample → sign contract/deposit → mass production →cargo ready → balance/delivery → further cooperation
Q: How about a Sample order?
A: A sample is available for you. please contact us for details. Once we charge you a sample fee, please feel easy, it would be a refund
when you place formal order.
Q: Which shipping way is available?
A: DHL, UPS, FedEx, TNT, EMS, China Post, Sea are available. The other shipping ways are also available, please contact us if you
need ship by the other shipping way.
Q: How long is the delivery [Producing] and shipping?
A: Deliver time depends on the quantity you order. usually, it takes 15-25 working days.
Q: My package has missing products. What can I do?
A: Please contact our support team and we will confirm your order with the package contents. We apologize for any inconvenience.
Q: How to confirm the payment?
A: We accept payment by T/T, PayPal, the other payment ways also could be accepted, Please contact us before you pay by the other payment ways. Also 30-50% deposit is available, the balance money should be paid before shipping.