JC50D Drawworks Caliper Disc Brakes

Kor-Pak provides high-quality spring-set, hydraulic released caliper disc brakes for emergency duty, as well as hydraulic applied, spring-released Service brakes to be used with JC50D 1500HP mechanical drawworks and other similar JC drawworks.  Our brakes can provide superior performance and less maintenance.  Lubrication points are easily accessible, all components are made with high-quality materials, brake pads have longer wear life and spare parts are readily available.  Kor-Pak can also provide Hydraulic Power Units and Controls for your drawworks disc brakes and provide commissioning to insure you receive the training and support you need.

Kor-Pak can perform design and engineering services for you braking application as well as providing spare parts and service.  For more information, please contact a Kor-Pak representative today to assist you with your Drawworks braking systems needs and help you achieve greater efficiency and less downtime.

Model JC40D JC50D JC70D JC90D
Nominal drill depth m 114mm drill pipe 2500-4000 3500-5000 4500-7000 6000-9000
127mm drill pipe 2000-3200 2800-4500 4000-6000 5000-8000
Power rating 735 (1000 ) 1100 (1500 ) 1470 (2000 ) 2210 (3000 )
kW (hp)
Qty. of motor x power rating 2 ×438(537)/ 2 ×800(1072) 2 ×800(1072) 3 ×800(1072)
kW (hp) 1 ×800(1072)
Motor rated speed r/min 880/970 970 970 970
Drill line dia. mm(in) 32 (1 1/4  ) 35 (1 3/8 ) 38 (1 1/2  ) 45 (1 3/4  )
Max. fastline pull kN 275 340 485 630
Drum size (Dia. x width) mm(in) 640×1139 685×1138 770×1361 914×1556
(25 1/4 ×44 7/8 ) (27 ×44 7/8 ) (30 ×53 1/2) (36 ×61 1/4)
Brake disc size (Dia. x width) mm(in) 1500×40 1600×76 1600×76 1600×76
(59 ×1 1/2 ) (63 ×3 ) (63 ×3) (63 ×3 )
Sand drum size (Dia. x width) mm(in) 356×1245 356×1245 356×1245 356×1448
(14 ×49 ) (14×49 ) (14 ×49 ) (14 ×57 )
Sand drum capacity (14.5 drill line) m(ft) 4000 (13120 ) 5000 (16400 ) 6400 (21000 ) 7500 (24600 )
Auxiliary brake DS40 DS50 DS70 DS90
Dimension (L x W x H) mm 6600×3716×2990 6800×4537×2998 7670×4585×3197 7874×5486×2997
Weight kg 40000 48000 61000 70000
Category:

Description

KOR-PAK CORPORATION REPLACEMENT JC50 DRAWWORKS CALIPER DISC BRAKES

General Features of JC Drawworks:

  • All bearings that support shaft are roller bearings, and shaft is made of quality alloy steel.
  • Chains are pressure-forced lubrication system.
  • The drum is grooved. The ventilated type of clutch bladders are installed on both high and low speed ends.
  • The brake disc is pressurized water lubricated, and the surface has been hardened by medium frequency induction method to extend its service life.
  • The contours of sprocket teeth are hardened with medium frequency induction method.
  • All transmission clutches are of involute spline type.
  • The main brake is either a band type or a disc type. The auxiliary brake is either a eddy current brake or a Eaton brake.

JC DRAWWORKS SPECIFICATIONS

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