Introduction to slotting machine

Introduction to slotting machine

The slotting machine is mainly used for slotting operations in the treatment of cracks and diseases on asphalt and cement pavement. Quickly organize irregular cracks into uniform grooves through six special blades, forming a new bonding surface. Optimize the contact surface between the grouting material and the groove, and strengthen the tightness of the bonding between the grouting material and the groove sidewall.

Hydraulic expansion pipe machine is a specialized hydraulic expansion joint equipment used for the tight connection of pipes and tube sheets in the manufacturing of heat exchangers, condensers, high-pressure heaters, and other equipment. The use of hydraulic expansion joint technology has the advantages of low manufacturing cost, light labor intensity, short manufacturing cycle, and uniform and reliable expansion joint quality. Hydraulic expansion joint technology has been widely applied in the manufacturing of heat exchangers in fields such as petrochemicals, electricity, boilers, nuclear power, refrigeration, etc., greatly improving the quality and production efficiency of domestic heat exchanger equipment.

Features of slotting machine

The slotting machine is small in size, light in weight, easy to operate, and comes with its own power, so outdoor construction does not have to worry about external power sources.

Slotting machine

The slotting machine can easily, accurately, and quickly create sealing grooves with a width of 1-5 centimeters and a depth of 0-3 centimeters along any joint in asphalt and cement pavement

Adjustment pressure instructions: Reference values for hydraulic expansion pressure of conventional tube sheets and heat exchange tubes:

2. The strength expansion needs to meet the slotting requirements: the slot width is 8-10mm. Due to differences in material, batch, slot width, etc., the expansion pressure can be adjusted according to the degree of "depression" after the expansion test.

3. If the material and specifications of the tube plate and heat exchange tube are different from the above, or if there are special expansion requirements, it is recommended to conduct expansion process tests first, and the test results shall prevail.

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