Three-dimensional plane hole clamping system, there are two series D28 and D16, it is based on a variety of forms of workstations, equipped with a variety of standard standard structural modules, with its unique positioning between the pin connection connection, at work The need for welding and assembly of the workpiece with a compensated form of a variety of special manual clamp clamping, according to the need, can also be equipped with hydraulic, pneumatic, chain and other forms of clamping, welding production process , The use of superior performance welding fixture to improve the accuracy and quality of welding products, shorten the processing time plays a very important role, with the automobile production to small quantities, diversified direction, in the new model development and manufacturing process, The use of flexible, modular three-dimensional combination of tooling instead of the traditional special tooling, not only can shorten the design, manufacturing time, and can be used repeatedly, cost savings, especially in special vehicles, engineering vehicles and large passenger cars and other small batches of production, The use of flexible tooling for welding production is a very economical and practical method.

It is used in automobile manufacturing, engineering machinery, shipbuilding, aerospace, rail transportation, structural parts welding, sheet metal box, bicycle (motorcycle) manufacturing, and welding robot or special welding machine, etc., it has the economy , Flexibility, accuracy and durability characteristics, has been in advanced countries in the automotive welding production has been widely used by many car manufacturers in the practical application has been confirmed.

D16 series of holes for the Φ16, hole spacing of 50mm ± 0.05 array, the surface distribution of 50x50mm grid lines;

D22 series of holes for the Φ22, hole spacing of 75mm ± 0.05 array, the surface distribution of 75x75mm grid line;

D28 series of holes for the Φ28, hole spacing of 100mm ± 0.05 array, the surface distribution of 100x100mm grid lines.

Three-dimensional steel / cast iron platform size: (material q345 can also be said 16mn)

Length x Width (mm):

1000x1000 / 1200x1200 / 500x1500 / 2000x1000 / 2400x1200 / 3000x1500 / 4000x2000 Platform side height of 200mm

Material: cast iron plate using HT200-300 casting, material ingredients ingredients and ingredients according to the following criteria (%): carbon: 3.1-3.4, manganese: 0.6-0.9, silicon: 1.5-2.0, sulfur <0.12, phosphorus < 0.3. Hardness> 180, the second tempering treatment.

Cast iron platform technical requirements:

1, the platform must be subject to two back stress stress aging treatment, to prevent the deformation of stress memory distortion and the future use of the platform into the phenomenon of cracks in the occurrence of the elimination of casting stress, the purpose of rough stress, stress relief of 90%

2, the working face finished the acute angle blunt;

3, the casting surface to be processed without external force, polished, the inner surface are required to paint anti-rust paint;

4, flat face can not seriously affect the appearance and performance of sand holes, pores, cracks, slag, shrinkage, scratches, bumps, rust and other defects.

3, the accuracy grade 0 ~ 3 flat working surface, the diameter of less than 15mm of sand holes allow the same material blockage, the hardness should be less than the hardness of the same material.Faceface blocked sand holes should not be more than 4 And the distance between the sand holes should not be less than 80mm.

4, the plate should be high-quality fine gray cast iron or alloy cast iron and other materials, the face hardness should be 170 ~ 220HB.

5, the flat face is usually applied to use scraping process.For scraping the three-stage flat working face, the surface roughness Ra of the maximum allowable value of 5чm.

7, the flat face with the scraping process should be carried out on the color of the test. The proportion of the contact area after the inquiry shown in Table 3, or 25mm × 25mm in the number of points of contact should not be greater than 5 points Controversial, according to the ratio of contact area for the assessment basis.

8, the plate relative to the two sides, should be installed handle or ring device screw hole (or cylindrical hole), and the device location should be designed to minimize the deformation caused by handling.

9, if the flat working surface set screw hole (or groove), the site should not be higher than the face.

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