zx mines support&mining U steel arch beam for surpporting

Product Introduction

U shape steel with mining support

specification:

unit weight: 36kg/m

material: 20MnK

composition: top beam ,2 supports, 4 arch clamps, 2 foot supports

Our company mainly manufactures all kinds of mining products, such as mining support bracket,u beam,mining steel arches,U 25,U 29,U36,and the assemble accessories.

Please get back us for more information.

1) clamp each part must have good interchangeability, bolts should be installed directly on the card cable board.

2) clamp surface should no cracks, burrs and other defects.

3) clamp surface need to be quenching, the material is not less than the U-shaped bracket Q345 steel mechanical properties of low carbon steel;

4) after forming clamp thickness tolerance of ± 0.5mm, the width tolerance of ± 0.2mm. Bolt hole spacing tolerance of ± 1mm.

5) clamp bolts should be used with the U-shaped steel material corresponding bar production.

6) Bolt specifications for the M24, length 35mm, thread size should be consistent GB/T96 basic requirements, tolerances shall comply

with the provisions of GB/T197 accuracy of 8g.

7) clamp bore specifications for the M24 screw hole through holes, screw threads - Basic dimensions shall comply with the provisions of GB/T96, tolerances shall comply with the provisions of GB/T197 accuracy of 8g.

8) 25U steel retractable bracket card cable resistance is not lower than the average working 100kN, 29U steel retractable bracket card cable

resistance is not lower than the average working 140kN, 36U steel retractable bracket card cable resistance is not lower average working at 190kN.

9) the maximum and minimum working resistance shall not exceed the difference between the working resistance 25kN.

10) clamp match with U-channel support strength to match.

Main Parameter

ParameterMaterial:20mnk Q275Detail parameter :18U height:99mm thickness:10mmthory:18.96kg/m25U height:110mm thickness:17mm TheoreticWeight :24.76kg/m29U height:124mm thicness:16mm TheoreticWeight :29kg/m36U height:138mm thicness:17mm TheoreticWeight :36kg/mMine support steel main characteristics: under pressure,

support time, easy to install is not easy to deformation, etc.

If you have questions,please let me know freely.

http://zxsupport.en.china.cn/? Emily&20150911