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SB SBD SERIES CHINA CRANE SAFETY BRAKES

SB SBD SERIES CHINA CRANE SAFETY BRAKES

Hydraulic safety (emergency) brakes are high-power braking devices which can be wildly used as emergency safety brake on low speed shafts for the lifting control and pitching mechanism of various large and middle crane,port handling machinery.They are also applied for the same purpose for mine winder, lifter, elevators, belt Conveying machinery, cable cars, foundry and cable cranes and so on.

Description

MAIN FEATURE

  • Normally closed design, safe and reliable;specially-designed disc springs applied. hydraulic driving. Type selection of hydraulic power unit see"Manual for hydraulic power unit".
  • Swift actions and short braking time.
  • Be able to optionally equip with release limit and pad wear limit switch, which can realize signal indication and interlocking protection.
  • Brake lining is made from non-asbestos hard material, which has high and stable friction performance, and it is insensitive to water, salt and other environmental agents.
  • Excellent sealing ensure the brake long service life.
  • Installing position is flexible, operation, adjustment and maintenance are easy.

 

 OPERATING CONDITION

  • Ambienttemperature:-20℃~+40℃
  • Relative humidity:airrelativehumidity is not more than 90%
  • Hydraulic power unit can be selected. Type selection of hydraulicpowerunit see'Manual for hydraulic power unit.
  • Special requirements can be discussed before production.

The technology requirements of safety brakes comply with JB/T 10917-2008 standard.

 

Outline And Installation Dimension

product-1372-820

Model Significance

product-748-274

ORDER EXAMPLE

(SB250-2200×40 RL,Rated clamping force is 250KN,braking disc diameter is 2200mm,disc thickness is 40mm,with release limit switch)


 

TECHNICAL DATA OF SB SERIES SAFETY BRAKES

Brake type Clamp force(KN) Release pressure(bar) Release oil volume(ml) Clearance Friction coefficient Requested bolts;performance class;Installation torque Weight bracket excluded(kg)
SB50 50 110 30 1-2 0.36 8-M20,10.9,680 90
SB100 100 120 50 1-2 0.36 8-M24,10.9,1200 150
SB160 160 120 70 1-2 0.36 8-M30,10.9,2200 310
SB250 250 130 95 1-2 0.36 8-M36,10.9,3540 452
SB315 315 140 115 1-2 0.36 8-M36,10.9,3540 672
SB400 400 120 170 1-2 0.36 8-M48,10.9,7400 1100
SB500 500 140 170 1-2 0.36 8-M48,10.9,7400 1200

Brake torque Nm=F × μ × d1  Torque in Nm=F × μ ×d1 

OUTLINE DIMENSION TABLE

Brake type Dimensions (mm)
A a1 a2 a3 b1 b2 B C d k P L E W H H1
SB50 77 77 90 38 38 38 154 150 20.5 56 102 300 240 110 310 80
SB100 95 95 105 45 55 45 190 180 25 71 102 348 286 140 360 85
SB160 110 120 135 65 70.0 65 260 235 31 87 106 412 370 170 410 95
SB250 130 120 160 75 30 75 300 275 37 87 106 456 370 170 470 110
SB315 140 175 205 85 90 82.5 335 330 37 137 106 476 410 270 500 110
SB400 170 180 220 120 110 110 440 420 50 137 142 602 546 270 560 115
SB500 170 180 220 120 110 110 440 420 50 137 142 682 542 270 600 115

 

RELATIVE DIMENSIONS OF BRAKE DISC

Brake type Dimensions (mm)
b D d1 d2max
SB50 30 36 40 ≥500 D-120 D-300
SB100 30 36 40 ≥500 D-150 D-380
SB160 30 36 40 ≥600 D-180 D-440
SB250 30 36 40 ≥600 D-180 D-480
SB315 30 36 40 ≥1200 D-280 D-600
SB400 30 36 40 ≥1800 D-280 D-660
5B500 30 36 40 ≥1800 D-280 D-660

d1= the theoretical friction diameter.  d2=max.allowable drum or hub diameter.  For other disc diameters please contact us.

Note:The size of the specific type and structure should be retained.

 

FAQ:
1. Q: Is small order accepted?
A: Yes, a small order is accepted. You can take a trial order first, then we will try our best to earn your trust, for what we want is a long-term cooperation in the future!

 

2. Q: Can you do Customization & Reproduction if I provide a design picture?
A: Yes, we can do customization & Reproduction service, please check the details above.
The design drawing is needed, the more detail specifications, the more exact products can we do.

3. Q:Can I get some sample?
A:Yes, we will glad if you need the sample to check the quality before placing the order.

 

4. Q: Can you guarantee the quality?
A: Yes, we can, you can pay the balance after checking the quality of the finished goods. We always attach great importance to quality control from the very beginning to the end of the production. Every product will be carefully inspected before it's packed for shipment.

 

5. Q: Can you accept visiting the factory?
A:Yes, welcome to visit our factory in Xinxiang city, Henan Province, China!

 

6. Q:What's your trade terms?
A: It is as per customers' request:
FOB Chinese seaport/ CFR destination port or other terms all can be accepted.

 

7. Q:What's your payment terms?
A: FOB: 30%T/T deposit, 70%T/T before the delivery of goods.
CFR: 30%T/T deposit, 70%T/T against the B/L copy.

 

8.Q:Does the packaging safe and arrive in good conditions?
A: Yes, Safe packing is guaranteed. All goods will arrive your door under good conditions.

 

After Sales Service:
1.All the products have one year guarantee.
2.Providing professional installation instructions and video of troubleshoot.
3.We supply after sales service for 24 hours, 7 days per week. Customer can contact us any time.

 

If you want to know more about the product or have questions about the product, please contact us.

 

Quality changes the world and service creates value. Henan JINGU brake always adheres to the concept of customer demand first,
and always adheres to the serious satisfaction of user needs and continuous self polishing.
On the road of entrepreneurship, our pursuit is endless. Make continuous breakthroughs in development and continue to plough deeply in the brake field Thank you for your company all the way. We know that every progress and success made by Henan JINGU is inseparable from everyone's attention, trust and support.
If you have any suggestions on our products and services, please leave a message below. If you have purchasing needs,
you are welcome to fill in the product requirements, and we will customize personalized solutions for you.

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