How to draw the drawing of stone blocks?

Cutting is a very common process activity in stone processing, and also one of the most important process activities. It is a bridge to realize the transformation of stone blocks into stone products. When a project is received and the block materials are selected, how to open the materials should be carefully considered and planned. Open good materials, which can not only meet the quality requirements of the project but also ensure the requirements of the material yield, without wasting materials.

There are many products in a project with different lengths and thicknesses. The size of a block is not very suitable for the requirements of the project, which needs to be realized through various opening activities. It is difficult to express the actual material opening activity in words. It is easy to understand and accurate through the material opening drawing to ensure that the material opening personnel will not open the wrong material.

As the material planner of the factory, the material user of the material opening team of the workshop, or the relevant manager of the workshop, you must have a certain knowledge of drawing the material opening drawing. Drawing the material opening drawing is a basic skill and must be mastered. Mastering the skills of this project is also of great benefit to my work. In this article, we will discuss the knowledge about quarrying.

The drawing methods of the material drawing include the hand drawing method and computer drawing method.

1. Tools for drawing material drawing

The tools for drawing the blanking drawing include an oil pen, steel ruler, tape measure, and ink fountain.

The oil pen is used to draw the cutting line on the block, mark it, and write the text description of the cutting.

The steel ruler is used to draw straight lines; The tape measure is used to measure the size of raw materials and cut materials; The ink bucket is used to snap the line when opening the line; The computer is used to draw the cutting drawing by computer method; The printer is used to print the prepared opening drawing.

2. Knowledge of stone materials in drawing the cutting drawing

The basic knowledge of stone materials that must be possessed in drawing the cutting drawing: texture knowledge of block materials, tangent, and anti-tangent knowledge. Only after understanding the basic concepts of these stones can we draw a stone-cutting drawing that meets the requirements. It can be seen from the stone surface in Figure 9 that the stone has texture. The material planning personnel and the material opening personnel must be very familiar with the texture of the stone and the knowledge of how to use the stone texture.

3. Manual drawing method

It is a common and common method to draw materials by hand. The hand drawing method can be drawn on paper or directly on the block. The method of drawing material drawing on paper is suitable for plant material planners; The method of drawing the material drawing on the block is suitable for the material drawing team leader of the workshop or the workshop supervisor to draw the material drawing on the block.

4. The method of drawing by computer

The computer drawing method is suitable for material planners to draw material drawing in large quantities. The drawing of material drawing by computer is standard, detailed, clear, and comprehensive. The drawing of material drawing is efficient and easy for users to see, recognize and read.

5. Drawing method of blank cutting drawing

The drawing method of blank cutting drawing is to master these twelve words: “cutting head”, “trimming height”, “trimming thickness”, “splitting”, “slicing” and “explanation”.

“Cutting head” can also be called “chopping tail”, which is to improve the yield rate, save the waste materials, and leave the surplus parts of the waste materials according to the production processing list. If the cut part has the same texture and color as the part to be cut, and the size meets the requirements, it can also be used in the same project. If the texture and color of the cut part and the part to be cut are different, and the size does not meet the requirements, it will become surplus materials stacked in the waste yard or scrap yard.

The purpose of “raising” is to improve the yield of the block and cut off the margin in the height direction of the block as the residual material.

“Thickening” is cutting off the allowance in the thickness direction of the block and leaving it as the surplus material in order to improve the yield of the block.

“Piece splitting” is dividing the “cut head” block into small blocks according to the requirements of the production and processing orders

“Partitioning” is to open blank.

“Description” is to make some opening instructions on the opening draw. For example, the number and thickness of blanks.

After completing the above preparation work, the blank-cutting process will be started, and the blank will be cut into blanks for processing stone products.

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