R Series Helical Reducer Gearbox for Belt Conveyor

• Customization: Available
• Application: Machinery
• Hardness: Hardened Tooth Surface
• Model NO.: EWR37-EWR167
• Layout: Coaxial
• Gear Shape: Helical Gear
• Step: Three-Step
• Type: Gear Reducer
• Power: 0.18-160kw
• Torque: 130-18000n. M
• Efficiency: 5-264, Imax: 18125
• Transport Package: Standard Seaworthy Packing
• Trademark: eastwell
• Origin: China
• HS Code: 8483409000
• Production Capacity: 1000 Sets/Month

Product Description

Technical Parameter 

Housing material	HT200 high-strength cast iron(EWR37, EWR47, EWR57, EWR67, EWR77, EWR87)
Housing material	HT250 High strength cast iron(EWR97, EWR 107, EWR137, EWR147, EWR167)
Gear material	20CrMnTi
Gear Surface&hardness	HRC58°-62°
Gear core hardness	HRC33°-78°
Input/Output shaft material	40Cr
Gear Machining precision	Accurate grinding 6-5 grade
Heat treatment	Carburizing, Quenching etc
Efficiency	Up to 92%
Noise(Max)	60-67dB
Installation type	Foot mounted, flange mounted
Output type	Solid shaft
Bearing brand	NSK, SKF, HRB, ZWZ etc
Oil seal brand	NAK, KSK etc
Lubricant	VG220
Motor	IP55, F class
Motor shaft	40Cr, Carburizing, Quenching etc
Warranty	12months
Color	Blue, Grey

Model	EWR37	EWR47	EWR57	EWR67	EWR77	EWR87	EWR97	EWR107	EWR137	EWR147	EWR167
Weight	9	14	24	27	33	60	110	150	255	365	615
Shaft Ф	25mm	30mm	35mm	35mm	40mm	50mm	60mm	70mm	90mm	110mm	120mm

Packing







Features
♦Specially designed for agitator. 
♦Compact structure, Integrated casting housing, low noise and long service life. 
♦High efficiency and low maintenance. 

Design
♦ Reducing Ratio: 2 stage 5~24.8, 3 stage 27.2~264, EWR/EWR combination type can be up to 18125. 
♦ Mounting Type: Foot mounted, Flange mounted. 
♦ Output Shaft: Solid shaft. 
♦ Efficiency: Two-stage96%, three-stage 94%, and combination of EWR/EWR85%. 


Technical Data
♦Size EWR37-EWR167
♦ Output Torque 130~18000N. M
♦ Motor Power 0.18~160kw
♦ Ratio 5~264(imax: 18125)

Industrial Application
♦Power Plant Equipment
♦Metallurgical Industry
♦Metal Forming Machinery
♦Petrochemical Industry
♦Mining Machine
♦Hoisting Machinery
♦Construction Industry
♦Environmental Protection Industry
♦Cable Industry
♦Food Machinery

Certificates
Passed " ISO 9001 International Quality System Certificate", "Europe CE Certificate", " Swiss SGS Certificate", "High-tech enterprise certificate of Shanghai city", "Excellent performance management enterprise of Shanghai city", etc. 

FAQ
1. Q: Can you make as per custom drawing? 
A: Yes, we offer customized service for customers. 

2. Q: Are you a factory or trading company? 
A. We are manufacturer in Shanghai China. 

3. Q: What's your MOQ? 
A: One piece. 

4. Q: What's your production time? 
A: 7-15 working days after receiving payment. 

5. Q: What's your payment terms? 
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping. 

6. Q: What's your package? 
A: In wooden box packaging. 

Company information
Shanghai EASTWELL Gear Reducer Co., Ltd. We are professional manufacturer of the helical gear reducers and specialize in the gear reducers area in China for 20 years. EASTWELL has excellent R&D team, top-ranking production and test equipment. So we have the strong power in the developing and manufacturing the standards type as well as the customized type gear reducer for our customers.