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Draw works

2016-07-12 10:09      Click£ºtimes
Features of Draw works:
 
¡ñ Shafts use ball bearing. All axes and sprocket wheels are made from alloy steel. Chain is lubricated with forced lubricating oil, roller has wire rope slot, and high and low ends of roller are equipped with ventilation pneumatic clutch. Brake net (or brake disc) is cooled with circulating water, its surface is undertaken middle-frequency quencher so that it resists friction and has long life operation. Meanwhile, tooth of sprocket is also undertaken middle-frequency quencher. All clutches to shift gears are involute spline clutch. Main brake is belt or disc type. Auxiliary brake is configured with eddy current brake or EATON brake. Draw-works meets API Spec 7K regulations so that it is allowed to put on an API Label.
 

 

 

 


[Click the picture to enlarge]
Performance parameters of draw works:

Model
JC20
JC40D
F-500
JC50
JC50D
JC70
JC70D
Nominal scope of rig123.net' target='_blank'>drilling depth (m)
1200-2000
2500-4000
2500-4000
3500-5000
3500-5000
4500-7000
4500-7000
Rated power (KW)
330-400
735
735
1100
1100
1470
1470
Max. fast rope pull (KN)
165
275
275
340
340
485
485
Diameter of steel wire rope mm(in)
28(11/8)
32(11/4)
32(11/4)
35(13/8)
35(13/8)
38(11/2)
38(11/2)
Drum(Diameter X Length) mm
560×879
640×1235
640×1235
685×1245
685×1245
770×1436
770×1436
Brake wheel net(Diameter X Width) mm
1100×215
1168×265
1168×265
1270×267
1270×267
1370×267
1370×267
Brake disc (Diameter X Width) mm
 
1500×76
1500×76
1600×76
1600×76
1600×76
1600×76
Bailing drum (Diameter X Length) mm
 
356×1245
356×1245
356×1430
356×1430
356×1430
356×1430
Volume of bailing drum m
 
3500
3500
4500
4500
6000
6000
Assistant brake
DS20
DS40;YS40
DS40;YS40
DS50;YS50
DS50;YS50
DS70;YS70
DS70;YS70
Dimension(L×W×H) mm
4250×3000
×2200
6450×2560
×2482
6600×5820
×2918
7000×2955
×2780
6800×4537
×2998
7930×3194
×2930
7670×4585
×3197
Weight¡¡¡¡ kg
16120
25100
37000
45210
52000
43300
61000

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