01. Safe Production Operation Procedures
1. Wear labor protection appliances when entering the operation area:
① Water shoes and rubber gloves must be worn for cutting and forming.
② Dust mask must be worn for dry grinding.
2. Operation of special equipment: hoisting must be carried out with valid certificates and in strict accordance with the hoisting procedures.
3. When lifting the plate, two people must operate it. The feet must be at least 20 cm below the plate, and the lifting tool can be unloaded after it is stably placed.
4. Before processing, carry out a safety inspection on the machine operation and report to the maintenance department in time in case of any abnormality.
5. Use qualified wires and plug boards. It is strictly forbidden to pull wires and wire ends without permission to directly power on
6. The distance between the gas tank and the torch head shall be at least one meter, and the valve shall be closed in time after use.
7. The plates shall be vertically transported, and the leftovers shall be thrown into the garbage can at a close distance.
8. Forklift transportation shall be firmly bound with a safety belt, and overload is prohibited.
02. Infrared Workflow
1. Check the corresponding processing sheet with the specified plate according to the production period, and then find the lifting operator to the processing area.
2. Understand the processing requirements and review the processing sheet.
3. Find the same stone edge for trial sawing, master the machine performance before trial sawing, and conduct a safety inspection for operation.
4. When clamping the big plate, check whether the single arm lifting appliance is normal, whether the big plate is firmly placed, and whether the plate has cracks.
5. When lifting the slab, the main cutter shall lift the slab and the auxiliary cutter shall lift the slab. When lifting, stand on both sides of the slab, with feet at least 20 cm away from the slab. Lift and fall steadily. After the slab is firmly placed, remove the lifting appliance.
6. The cutting shall be carried out in strict accordance with the customer’s requirements and test sawing standards, and the finished products shall be washed after cutting. The geometric dimensions, diagonal lines, vertical handling, and placement of the main cutting shall be checked randomly. The geometric dimension and diagonal shall be checked by sub-cutting, and the processing order number, stone number, and specification shall be written in block letters in the upper left corner, and the corresponding parts of the list or drawing shall be marked according to the processed objects.
7. After the processing is completed, the number of the processing sheet shall be stacked neatly. After the physical objects and the total amount of drawings are checked, the handover sheet shall be pressed. The materials shall be firmly transported to the designated area of the next process with the safety belt, and the handover procedures shall be handled.
8. The leftover materials shall be returned to the large material area at any time, and the leftover materials shall be stacked in the area designated by the factory director.
9. The finished product racks shall be placed in order horizontally and vertically within the yellow line. The working area shall be kept clean at all times. When leaving the post, the tools shall be locked and the water and electricity shall be turned off.
03. Workflow of semi-finished products
1. Find the corresponding processing sheet according to the production duration and the handover of the previous process, go to the plate to be arranged to pick up materials, count the quantity and check the handover sheet, and bundle the safety belt and transport it to the processing area if there is no error.
2. Approve the processing list.
3. The typesetting project shall be handled vertically, handled with care, to prevent stone breakage and carpet damage. According to the size of the plate, a 15cm wide walkway shall be left in the middle, and it is prohibited to step on the plate.
4. The plate surface shall be wiped clean after the processing sheet is arranged, and the color shall be adjusted to the best effect. The processing list shall be checked with the total amount of physical objects, and the labels shall be affixed after the geometric dimensions and diagonal lines are checked to be correct
5. Use a big pen to draw the arrow on the back and the elevation number at the upper left corner. The number and arrow direction must be consistent on the front and back. Use correction fluid to clearly mark the grinding direction on the board surface.
6. The work order shall be stacked in order and the total number shall be checked without error. Then the work order shall be pressed on, and the work order shall be firmly transported to the designated area of the next process with safety belts, and the handover procedures shall be handled.
7. The finished product racks shall be placed in order horizontally and vertically within the yellow line. The working area shall be kept clean at all times. When leaving the post, the tools shall be locked and the lights shall be turned off.
04. Machining workflow
1. Find the corresponding processing sheet according to the construction period and the handover of the previous process, go to the area to be arranged, count the quantity and check the handover sheet, and then bundle the safety belt and transport it to the processing area.
2. Review the checklist and drawings of the processing list, and check whether the linear, edge, and abnormal data are consistent.
3. Find the same stone edge for trial sawing, master the machine performance before trial sawing, and conduct a safety inspection for operation.
4. In the process of processing, it shall be handled vertically, handled with care to prevent scratches on the board surface. The processing shall be carried out in strict accordance with the requirements of the processing sheet and the trial sawing standard and checked one by one with reference to the version label.
5. During forming, the machine speed shall be controlled to prevent tail, big and small head, wavy line, etc.
6. For batch corner cutting, find the leftover materials for processing and trial assembly, and batch processing can be carried out after confirmation by relevant personnel.
7. After processing, the processing sheet shall be stacked orderly with the unit number facing up, and the quantity shall be checked to ensure that it is correct. Then, it shall be firmly transported to the designated area of the next process with full straps, and the handover procedures shall be handled.
8. The finished product racks shall be placed in order horizontally and vertically within the yellow line. The working area shall be kept clean at all times. When leaving the post, the tools shall be locked and the lights shall be turned off.
05. Irregular type workflow
1. For the production period and the handover of the previous process, find the corresponding processing sheet, go to the area to be polished, count the quantity and check the handover sheet, and then bundle the safety belt and transport it to the processing area.
2. Approve the processing list.
3. In the processing project, it is necessary to carry vertically, handle with care, check the physical object with the processing sheet, check whether the formed edge is up to the standard, and check whether the direction of the chamfer is consistent with the drawing, and then process in strict accordance with the requirements of the processing sheet and the sealed sample.
4. Bonding
(1) The smooth surface of the engineering plate is downward, the back surface is roughened, the trial assembly is carried out, the seamless base note is bonded with the glue of the same color as the plate surface, and the “F” clamp is used to fix it, so as to ensure the flatness, geometric dimension, and no obvious marks on six sides.
(2) During modeling and bonding, a template shall be used to ensure consistency with 1:1 drawings and no color difference.
5. Docking
(1) The edge shape shall be spliced and polished strictly according to the processing sheet or drawing number. The butt joint shall be polished to 500 # with a water-polishing disc. The water polishing shall start from the 500 # foundation.
(2) Shape docking, splicing and polishing, splicing, and water polishing shall be carried out in strict accordance with the processing order number.
(3) There is no stagger phenomenon for 45 ° chamfer butt leveling and 90 ° angle. The butt joint shall be smooth without wave and feel.
6. Polishing shall be carried out from coarse to fine according to the order of the grinding plate, and the true light shall be produced, which is basically consistent with the plate surface.
7. Reinforcement: clear the groove → fill with glue → reinforce → smooth
8. The finished product racks shall be placed in order vertically and horizontally within the yellow line. The working area shall be kept clean at all times. When leaving the post, the tools shall be locked and the lights shall be turned off.
9. After processing, the board surface shall be cleaned. The number shall be upward, the stacking shall be neat, and the total amount of the material objects and the processing sheet shall be checked. The handover sheet shall be pressed without error, and the board shall be firmly transported to the quality inspection area with full straps, and the handover formalities shall be handled by the quality inspection department.
10. If the finished products are unqualified and need to be reworked after the quality inspection after delivery, the reworked products shall be taken back immediately, the reworking task shall be completed within 2 hours, and the reworked products shall be handed over to the quality inspector again.
06. Inspection and Delivery Workflow
1. Find the corresponding price work order according to the construction period and delivery conditions of the production order, count the quantity and check the delivery order, and conduct the inspection after there is no error.
2. Review the processing sheet: whether the size, quantity, and texture of the list and drawing are consistent, and whether the number is repeated.
3. Inspection: (1) After the semi-finished products are arranged, check the color transition and whether there is an obvious color difference; (2) check the list one by one according to the processing content of the processing order (drawing) and the sealing standard; (3) check the geometric size, diagonal, linear, edging direction, brightness, flatness, glue repair effect number, butt joint, etc.
4. Inform the processing team to rework the unqualified products after inspection and confirm the completion time.
5. The processing order shall be taken as the unit, and the number shall be stacked orderly from large to small. The unqualified ones shall be placed separately, and the reworked ones shall be returned in time after the secondary inspection.
6. After the inspection is qualified and the quantity is correct, press the strip. After the goods are firmly bound with safety belts, transport them to the finished product area. Mark the processing data on the quality inspection sheet, sign for confirmation, and submit it to the financial accounting.
7. The shipment can only be loaded and shipped after the corresponding goods are found in the valid shipment order. The loading shall be safe and secure. After loading, the total number must be counted.
8. The finished product area shall be kept clean at all times, and the lights and electricity shall be turned off when leaving the post.
