The coupling sleeve is an indispensable part of rock drilling tools for rock drilling. During the drilling process, the coupling sleeve is at the joint part of the matching drill, which bears the corrosion effect of stress such as axial tension and compression, bending and torsion, contact, and friction.
The coupling sleeve used for threaded connection rock drill tools is to use its thread to connect two or more drill rods or shank rods on the same axis, transfer the impact function of the rock drill, and achieve the purpose of drilling rock holes, which is the same as the drill rod. It acts as a stress wave propagation carrier.
Coupling sleeve classification
1. Classification by the geometric structure
There are straight-through coupling sleeves, reducing coupling sleeves, and middle-stop-type coupling sleeves.
2. Classification by thread structure
There are coupling sleeves such as wave thread, compound thread, trapezoidal thread, etc.
Product Parameters
Coupling sleeve type: full bridge coupling sleeve and reducing coupling sleeve
Thread size: R32, R38, T38, T45, T51.
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Used in extension rod connection, its function is to transmit impact energy from the rock-drill piston, as well as rotation torque, into the drill string with no losses. It must withstand and transmit up to 6300 blows per minute from the piston continually, with great endurance and dependability. (1)size: r25, r28, r32, r38, t38, t45, t51 (2)length: 140mm-235mm (3)package: in wooden case or in carton. (4)productivity: 5000pcs/ month (5)iso9001:2008 certificated Package: in wooden case or in carton.
Coupling sleeve
YL Flange Coupling Parameters And Dimensions Type Nominal Torque TnN m Allowable Speed [n] r/min Shaft Hole Diameter d Shaft Hole Length L D D, b S b, Blot Inertia Moment kg m Weightkg Y J. d. n YL1 63 6300 22 30 3882 120 48 36 8 52 M10 4 0. 006 4. 10 YL2 200 5800 30 42 60 112 130 68 0. 008 6. 97 YL3 400 5000 40 50 84112 150 80 40 56 0. 021 9. 38 YL4 800 4400 50 63 84 142 170 100 M12 8 0. 039 23. 27 YL5 2000 3600 63 80 107 172 210 130 50 10 68 0. 122 30. 72 YL6 5000 2800 80 100 132 212 260 160 66 84 M16 0. 360 57. 95 YL7 10000 2500 100 125 167 212 300 200 72 90 10 0. 845 86. 10
Snake Spring Coupling Housing is suitable for coaxial axis drive shaft system, with certain compensation performance of angular, radial and axial offset between two shafts, operating ambient temperature -30 150C, transmission torque 45-800000N m. The Basic Parameters And Main Dimensions Of The Snake -Shaped Yellow Coupling Model Nominal Torque Tn N m Allowable speed r/min Shaft hole diameter d mm Shaft hole length L mm Overall length Lo mm L, mm D mm Clearance C mm inertia moment  I kg. m2 Weight kg JSA1 45 18 28 47 97 66 95 0. 0014 1.91 JSA2 140 4500 22 35 68 105 0. 0022 2. 59 JSA3 224 25 42 50 103 70 115 0. 0033 3. 36 JSA4 400 32 50 60 123 80 130 3 0. 0073 5. 45 JSA5 630 4350 40 56 63 129 92 150 0.0119 7. 26 JSA6 900 4125 48 65 76 155 95 160 0. 0185 10. 44 JSA7 1800 55 80 89 181 116 190 0. 0451 17. 70
we specialize in: chain couplings, Jaw couplings, flexible couplings, HRC couplings, NM couplings, MH couplings, Pin coupling, Spacer Coupling, Flange Coupling, Sleeve Coupling, nylon sleeve coupling. We also can supply products according to drawings or samples. Please feel free to contact us with any enquiries.
Shenzhou Tomorrow Machiney Co.,Ltd manufacture a variety of couplings: chain coupling,Jaw coupling, flexible coupling,HRC couplings,NM coupling,MH coupling, Pin coupling, space coupling, flange coupling, sleeve coupling, nylon sleeve couplings. We has passed all tests laid down by ISO 9001:2015 and control the whole process of coupling manufacture, including material processing, component manufacturing and coupling assembly.
Supplier: S.s. submersible couple and sleeves, tmt rebar coupler.
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