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Gearbox Shaft Coupling

Gearbox Shaft Coupling Basic Technical Parameter:

Model Size :   XL90 – 630
Allowed Torque(N.m) :  4-15680
Allowed Speed (R/min) : 1000-4000
Screw size (n-M) : 4-M8x50 ~18M30x150
Appro. Net weight(Kgs/pc) : 1.8~296 kgs
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Description

Basic introduction
According to the size of the load transmitted by the gearbox, the level of the shaft speed, the installation accuracy of the two parts to be connected, etc., referring to the characteristics of various shaft couplings, choose a suitable shaft coupling type. The following suggestions can be considered when choosing specifically:

1) The size and nature of the torque to be transmitted and the requirements for the cushioning and vibration reduction functions. E.g, for high power heavy-duty gear reducers, gear shaft couplings can be used; For severe impact loads or gear reducers that require the elimination of torsional vibrations of the shaft shafting, tire-type couplings, and other highly flexible couplings can be used.

2) The working speed of the coupling and the magnitude of the centrifugal force caused.
For high-speed transmission shafts, couplings with high balance accuracy should be used, such as diaphragm couplings, etc., and slider couplings with eccentricity should not be used.

3) The magnitude and direction of the relative displacement of the two axes.
After installation and adjustment, it is difficult to maintain strict and accurate alignment of the two shafts, or when the two shafts will produce a large additional relative displacement during work, a flexible coupling should be used. For example, when the radial displacement is large, the slider coupling can be selected, and if the angular displacement is large or the two shafts intersect, a universal coupling can be used.

Cast Iron Elastic Sleeve Pin Shaft CouplingTechnical Parameter: 

Model Size Allowed Output torque (N.m) Allowed Speed (R/min) Length – D      (mm) D2   (mm) D1   (mm) L  (mm) C (mm) Nut Size           (n-M) Appro. Net weight (kgs/pc)
XL90 4 4000 90 36 11 28 3 4-M8x50 1.8
XL100 10 4000 100 40 11 35.5 3 4-M10x56 2.3
XL112 16 4000 112 46 13 40 3 4-M10x56 3.0
XL125 25 4000 125 50 13 45 3 4-M12x64 4.0
XL140 50 4000 140 65 13 50 3 6-M12x64 5.5
XL160 110 4000 160 80 15 56 3 8-M12x64 8.0
XL180 157 3500 180 90 15 63 3 8-M12x64 10.5
XL200 245 3200 200 100 21 71 4 8-M20x85 16.2
XL224 392 2850 224 115 21 80 4 8-M20x85 22
XL250 618 2550 250 135 25 90 4 8-M24x100 32
XL280 980 2300 280 140 34 100 4 8-M24x116 44
XL315 1568 2050 315 160 41 112 4 10-M24x116 58
XL355 2450 1800 355 180 60 125 5 8-M30x150 90
XL400 3920 1600 400 200 60 125 5 10-M30x150 113
XL450 6174 1400 450 224 65 140 5 12-M30x150 145
XL560 9800 1150 560 250 85 160 5 14-M30x150 229
XL630 15680 1000 630 280 95 180 5 18-M30x150 296

4) Reliability and working environment of the coupling.

Couplings that are usually made of metal components and do not require lubrication are more reliable; couplings that require lubrication are susceptible to the performance of the lubrication and may pollute the environment. Couplings containing non-metallic components such as rubber are sensitive to temperature, corrosive media, and strong light, and are prone to aging.

5) Manufacturing, installation, maintenance, and cost of the coupling.
Under the premise of satisfying convenience performance, the coupling should be selected for easy assembly and disassembly, simple maintenance, and low cost. For example, the rigid coupling is not only simple in structure, but also easy to assemble and disassemble. It can be used for low-speed, high-rigidity transmission shafts. General non-metallic elastic element couplings (such as elastic sleeve pin couplings, elastic pin couplings, plum-shaped elastic couplings, etc.), because of their good comprehensive capabilities, are widely used in general medium and small power transmission.

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