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EP7 Series Planetary Gearbox Slewing Drive

The EP7 Series planetary gearbox slewing drive is specifically designed for pinion and slewing ring drives. Successfully employed on tower cranes, shipboard and harbor cranes, wind generators, and steering drives on ship propulsion systems, the planetary gear unit can be used in almost all applications where accurate positioning is required. This series of the planetary gearbox is suitable for the most demanding duties in any environment.

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EP7 Series Planetary Gearbox Slewing Drive

EP7 Series Planetary Gearbox

EP7 Series Planetary Gearbox Features

The EP7 series slew drives by WLY TRANSMISSION Transmission CO., Ltd enjoy the following features:

  • Output torque Range: 1000-80000 N.m
  • Gear Ratios: i=3.3-3000
  • Support: slew support (with Flange mounted)
  • Electric Brake: DC and AC type
  • Output shaft: Splined or with integral pinion. Output shafts supported by heavy-duty capacity bearings
  • Applicable motors: axial piston hydraulic motors, Hydraulic orbit motors, IEC electric motors
  • Hydraulic motor options: Pressure relief valve, Over center valve, parking brake on request
EP7 Series Planetary Gearbox EP7 Series Planetary Gearbox

Advantages of EP7 Series Planetary Gearbox

  • The EP7 Series slewing drive gearbox is specifically designed for pinion and slewing ring drives.
  • Successfully employed on tower cranes, shipboard and harbor cranes, wind generators, and steering drives on ship propulsion systems, the planetary gear unit can be used in almost all applications where accurate positioning is required.
  • This series of planetary gearbox is suitable for the most demanding duties in any environment.
  • The design of the gearbox optimizes torque performance and radial load capacity in order to perfectly mesh the pinion and ring gear.
  • For accurate adjustment, some versions have eccentric mounting between the pinion axis and the casing axis.
  • Their wide range of ratios enables the selection of motor size and type which best suits the customer's requirements and application.
EP7 Series Slewing Drive Gearbox EP7 Series Slewing Drive Gearbox EP7 Series Slewing Drive Gearbox

EP7 Series Planetary Slewing Drive Specification

Type Max. torque (N.m) Range of ratios

(i)

Max. Input speed

(rpm)

Braking torque

(N.m)

Design
Excavator Crane
EP 700L 1A 1000 1200 3.38-7.2 2000 50-400 A
EP 701L 1A 1800 2400 3.38-7.2 2000 50-400 A
EP 703L 2A 2500 3500 12-44 3000 50-400 A
EP 705L 2A 5000 6500 12-44 3000 50-400 A
EP 705L 2B 5000 6500 12-44 3000 50-400 B
EP 706L 2B 7500 10000 13-44 3000 400-1000 B
EP 707L 2B 9000 15000 13-43 3000 400-1000 B
EP 709L 2B 12000 20000 14-47 3000 400-1000 B
EP 710L 2B 18000 30000 14-45 2500 400-1000 B
EP 711L 2B 20000 35000 14-45 2000 400-1000 B
EP 713L 3B 40000 55000 50-300 2000 400-1000 B
EP 715L 3B 70000 80000 52-320 2000 400-1000 B

EP7 Series Planetary Gearbox Design

Type Dimensions Design
D1 D2 D3 D4 D5 D6 L1 M Z
EP 700L 1A 40×36 DIN 5482 19Z× 2m ×30P GB3478.1 150 195 220 185 -- 31 Module and number of teeth of the pinion, please contact us. A
EP 701L 1A 40×36 DIN 5482 19Z× 2m ×30P GB3478.1 150 195 220 185 -- 31 A
EP 703L 2A 58×53 DIN 5482 28Z× 2m ×30P GB3478.1 175 245 272 245 -- 41 A
EP 705L 2A 58×53 DIN 5482 28Z× 2m ×30P GB3478.1 175 245 272 245 -- 41 A
EP 705L 2B 58×53 DIN 5482 28Z× 2m ×30P GB3478.1 195 245 290 245 180 171 B
EP 706L 2B 70×46 DIN 5482 34Z× 2m ×30P GB3478.1 250 325 360 292 200 225 B
EP 707L 2B 80×74 DIN 5482 39Z× 2m ×30P GB3478.1 280 314 348 348 230 295 B
EP 709L 2B 80×74 DIN 5482 39Z× 2m ×30P GB3478.1 280 380 420 348 250 295 B
EP 710L 2B 100×94 DIN 5482 32Z× 3m ×30P GB3478.1 425 460 500 400 300 360 B
EP 711L 2B 100×94 DIN 5482 32Z× 3m ×30P GB3478.1 425 460 500 428 300 345 B
EP 713L 3B 120×3 DIN 5482 39Z× 3m ×30P GB3478.1 400 510 560 445 340 420 B
EP 715L 3B 150×5 DIN 5482 29Z× 5m ×30P GB3478.1 470 600 640 542 370 465 B

 

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Materials Available

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
product materials available

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
product finishing

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Eight reasons to choose us:

 

1. Perfect service system and after-sale protection.
2. Quality problems will be solved within 24hours.
3. One-to-one customer service tracking processing.
4. Companies carry out the ERP management, improve enterprise fast response.
5. Quality assurance, one year warranty.
6. Supporting professional matched other equipments.
7. The company has more than one product testing units, the implementation of ISO9001: 2015.
8. Unique development and design capabilities to meet the needs of special-purpose equipment manufacturing.

 

Five Core strengths:

 

1. The first domestic independent R & D manufacturer and 22 years of professional manufacturing.
2. Casting exquisite, beautiful, practical and durable.
3. Complete specifications, cost-effective and spot supply.
4. Independent research and development, special specifications can be customized.
5. Selected materials, high-tech treatment, up to the international standard test.

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port

FAQ

Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.