How many quality inspection procedures are there for crushing and grinding equipment

Customer satisfaction is our company has always pursued the business purpose, in order to ensure that the mining machinery and equipment to meet the customer's standard requirements to reach the hands of customers, the company is equipped with intelligent, standardized testing, control laboratory, products are all in accordance with ISO9001: 2000 international quality management system standards for the design, manufacturing and testing. In addition, the company specializes in setting up quality inspection departments, with professional quality inspector positions, for each factory machine in strict accordance with the standards for testing and inspection. After layers of inspection of mining machines before they dare to rest assured delivery to customers. The inspection of the mining machine mainly has the appearance inspection and test machine inspection, specifically the following process:

1. Strictly in accordance with the drawings required to assemble the machine, to meet the assembly requirements are considered qualified.

2. Appearance inspection: general visual inspection, hand feeling, hammering and other inspection.

3. Ensure that the paint color meets the customer's requirements and the appearance is smooth without unevenness.

4. After machining the workpiece must remove burrs.

5. Remove the sand and burrs on the outer surface of all casting assemblies to ensure that the casting assemblies are smooth and beautiful.

6. The parts are assembled neatly and beautifully, and the phenomenon of misalignment of connecting parts is not allowed.

7. Size inspection: generally calipers, micrometers, plug gauges and other gauges.

8. The size of the dimensions in accordance with the requirements of the drawings. All workpieces must be assembled in place, do not allow damage to the workpiece, disassembly, misassembly and skew phenomenon, for the quality problems caused by the return to assembly.

9. Strictly in accordance with the drawing requirements for processing workpieces to meet the drawing requirements.

10. Inspection of riveted and welded structure: generally use tape measure, welding height ruler, tensioner, pressure device, etc. for inspection.

11. Welded parts must be welded in accordance with the requirements of the drawings, and in line with the tolerance requirements marked on the drawings, to meet the requirements of the drawings are considered qualified.

12. ≥ 12mm plate need to bevel welding, bevel size is not less than 80% of the plate thickness.

13. The weld must be firm, flat, smooth, after welding to remove the welding slag, flux skin, spatter weld joints, process weld joints, do not allow the existence of porosity, slag and other welding defects.

14. When discharging the plate, try to use the running car to discharging, for complex workpieces can not use the running car, the cutting edge is not allowed to exist jagged uneven phenomenon, should make the cutting edge flat and smooth.

15. The holes of all equipments must be drilled and processed, the long groove milled and processed, and it is forbidden to have the uneven and non-smooth phenomenon caused by the manual cutting of holes and long grooves. (For special milling process can not be long groove, should also make the cut edge neat, smooth, beautiful.)

16. For the small downstream parts which are not processed on lathe, the cut edge must be polished to ensure the cut edge is smooth and even.

17. Trial inspection: 20 minutes after the start of the machine stopping to check, if the machine is no abnormality, continue to test the machine 2 small Hou after checking again, no abnormalities are considered to be qualified. If the machine appears oil leakage, bearing heat, vibration and other phenomena, disassemble and reassemble.

18. Before starting and stopping the machine, inspectors and equipment assemblers must be present, and the electrician will be responsible for checking the machine during the test run.

19. After the completion of the test machine, the motor and the test frame back to its original position.

We know that product quality is to ensure that the company continues to move forward on the basis of understanding customer product requirements to drawing design, manufacturing, testing and inspection, and even finished products do not dare to have the slightest slack, every link is to strive for perfection, to play all efforts to make customer satisfaction. Welcome the majority of users at any time to click on the website customer service consulting, 24 hours online!