The Standard Of Producing Roll Crusher
1.1, on a roll crusher shall comply with the requirements of this standard
, and manufacturing drawings and technical documents approved by the prescribed procedures.
1.2, the roll crusher using a single motor drive, the gear is divided into two kinds of the right equipment installed and left installed.
1.3, the same model, zero roll crusher parts should be interchangeable.
1.4, roller leather, sheeting replacement of wearing parts should be easily accessible.
1.5, the bearings should be well sealed dust-proof device.
2, the appearance of quality
2.1, the machined surface should not have a nap, bumps and corrosion phenomena.
2.2, when the roll crusher surface should be flat, visual, there should be no visible bump phenomenon.
2.3 before the welded structure, coating the surface should be carried out rust, its rust rating of not less than St2 requirements of GB / T 8 923.
2.4, the painted surface should be smooth, consistent color, there should be no sagging, shelling and leakage Tu defects.
3, part quality
3.1, the roller shaft using the material properties of not less than 600MPa materials.
3.2, the welding quality of welded structure should be consistent with the provisions of JB / T 500.3.
3.3, base welded structure of dimensional tolerances, angle tolerance should be consistent with the provisions of Class B of JB / T 5000.3, shape and position tolerances shall comply with the provisions of Class F. The general requirements for welded structure, dimensional tolerances, angle tolerance should be consistent with the provisions of C-class of JB / T 5000.3, shape and position tolerances shall comply with the provisions of G-rated.
4, the machine requirements
4.1, the size of V-belt wheel to install the rear wheel width symmetry plane relative displacement is not greater than the center distance of 2/1000.
4.2, adjust the device should be flexible and reliable.
4.3, the roll crusher machine roller size, electrical power and other technical parameters should be consistent with the relevant requirements.
4.4, the roll crusher production capacity, the maximum feed size and other performance parameters should be consistent with the relevant provisions.
5, health and safety requirements
5.1, down blunt the sharp edges of the roll crusher exposed machined surface.
5.2, dual-motor-driven roller crusher load operation when the machine empty sound pressure level: single-motor drive should not exceed 90dB (A); should not exceed 85dB (A)
5.3, the roll crusher transmission mechanism should be safe protection device. Safety protection device supplied by the user in the product manual and contract spear to illustrate.
5.4, roll crusher of the joint should be tightly sealed and not leak dust.
5.5, roll crusher, when the non-broken (length not greater than the length of the roller 10 percent, and the width and thickness of not larger than the roller opening with the buffer device to compress the distance and half) fall into the machine The crusher should not make the main zero component damage.
6, air load operation requirements
6.1, the rotation should be flexible roller crusher roller and moving parts, no jamming phenomenon. Empty load operation should be no abnormal noise.
6.2, the roll crusher machine empty load continuous operation should not be less than 2h, but it must be in the bearing temperature stabilized 0.5h before the end of commissioning.
6.3, the temperature rise of rolling bearings in the roller crusher machine empty load operation is greater than 35 degrees, the maximum temperature not more than 70 degrees.
7, the technical requirements of electronic control box
7.1, the functionality and capacity of the electrical control box shall meet the requirements of the equipment running.
7.2, electronic control box the operator panel should be operating indicators license.
7.3, the electronic control box should open the door to power-off function or use tools to open the retaining shell.
7.4, electric control boxes shall be effectively grounded and should be ground signs.
7.5, the insulation resistance of the electrical control box not less than 1M.
7.6, electric control box 1s pressure test should be carried out. The test voltage is generally twice the electrical equipment rated power supply voltage or 1000V. The test 1s no flicker. Unfit to withstand the test component is disconnected during the trial period.
With its high quality products such as
Sand washing plant,
Sand maker,
Dryer machine,
Flotation cell,
Vibratory feeder, Henan Hongxing mining machinery Co.Ltd has ascended in the front rank of the world in the exporting of mining equipments.
by: nicole
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