Active Member
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[China]
Address: Pudong Wanglou Industry Park, Changyuan, China
Contact name:Chong Wang
Henan Dongtai Gear Wheel Co., Ltd. |
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Cylindrical Gear Reducer Speed Reducer Gearbox Hard Tooth Surface For Crane
Product Description
Henan Dongtai is located in Changyuan City, Henan Province, China, which is the gathering place for the production of crane and its accessories. We have 26 years of production and manufacturing experience. We always provide customers with good product and technical support, perfect after-sales service. Since its establishment, we have been adhering to technological innovation, research and introduction of advanced technology, and constantly develop new products to meet market demand. Our company mainly engaged in gear, reducer and accessories, general machinery parts manufacturing and sales. We have a good product and professional sales and technical team. If you are interested in our products and services, we are looking forward to your online message or call for consultation.
The QY series harden surface gear speed reducer is developed on the basic of the QJ series gearbox. The products adopts steel plates for welding. It’s suitable for the applicable conditions:
1. The circumferential speed of the gear is less than 20m/s;
2. The speed of the high speed is less than 1500rpm;
3. The temperature of working environment is -40℃~+45℃;
4. It will operate in both directions.
| Type | Gear Ratio | |||||||||||||||
| QY3D/3S | 16 | 18 | 20 | 22.4 | 25 | 28 | 31.5 | 35.5 | 40 | 45 | 50 | 56 | 63 | 71 | 80 | 90 |
| QY4D/4S/34S | 100 | 112 | 125 | 140 | 160 | 180 | 200 | 224 | 250 | 280 | 315 | 355 | 400 | |||
| Center Distance | 160 | 180 | 200 | 225 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | 710 | 800 |
| QY3S/4S/34S | 185 | 195 | 215 | 230 | 255 | 270 | 310 | 335 | 375 | 415 | 450 | 510 | 565 | 600 | 670 |
| QY3D/4D/34D | 155 | 165 | 185 | 205 | 225 | 250 | 265 | 290 | 325 | 365 | 420 | 460 | 520 | 550 | 625 |
1. Gear is made of high strength low carbon alloy steel by carburizing and quenching. The hardness of tooth surface can reach HRC58-62. CNC grinding technology is adopted for all gears, with high precision and good contact performance
2. high transmission efficiency: single stage over 96.5%; double stage over 93%; three stage over 90%;
3. stable operation and low noise;
4, compact structure, light weight, long service life and high bearing capacity;
5. easy to disassemble, check and assemble.
High Quality---- Quality Raw Material, Advanced Facilities, Fine Procedures.
High Productivity
Fast Delivery
Leading Level R & D Department
Experienced Marketing Manager
Professional Design Department
Brand Advantage
Excellent After-sales Service
Q:What information should I tell you to confirm speed reducer?
A: Model/Size, Transmission Ratio, Shaft directions & Order quantity.
Q:What if I don't know which gear reducer I need?
A:Don't worry, Send as much information as you can, our team will help you find the right one you are looking for.
Q:What should I provide if I want to order NON-STANDERD speed reducers?
A: Drafts, Dimensions, Pictures and samples if possible.
Q:What is the MOQ?
A: It is OK for one or small pieces trial order for quality testing.
Q:How long should I wait for the feedback after I send the inquiry?
A: Within 12 hours
Q:What is the payment term?
A:You can pay via T/T(30% in advance+70% before delivery), L/C ,West Union etc
Q:What is the delivery time?
A:Normally is 20days after order, for special model or big quantity please email to us for checking.
Q:What is the guarantee time?
A:12months
