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How to choose single-column and double-column tensile testing machine

How to choose single-column and double-column tensile testing machine

When purchasing a single-column tensile testing machine and a double-column tensile testing machine, customers often wonder how to choose. What is the difference between a single-column tensile testing machine and a double-column tensile testing machine?

1. Appearance

Single-column tensile testing machine, also called single-arm tensile testing machine, cantilever tensile testing machine, has only one column; while double-column tensile testing machine, also called portal tensile testing machine, has two columns.

2.force capacity

Because the double-column tensile testing machine has two columns, it can withstand a larger tensile force than the sound-column tensile testing machine. Therefore, the single-column tensile testing machine is usually selected for the tensile test below 5KN, and the double-column tensile testing machine is selected for the tensile test above 5KN.

3. Working environment The single-column tensile test body is relatively small and light in weight, and can be moved and can be placed on the table for related tests; the double-column tensile test body is large in size and heavy, and needs to be placed on a stable ground, which cannot be easily moved and is more stable.

4. Test material

The single-column tensile testing machine has small force capacity and small working space, and is suitable for test materials with small size and small required force value; the double-column tensile testing machine is suitable for most test materials.

5. Price

The production cost of the double-column tensile testing machine is higher than that of the single-column tensile testing machine, so the price is higher than that of the single-column tensile testing machine.

Both the single-column tensile testing machine and the double-column tensile testing machine can perform tensile testing. Users need to select the appropriate tensile testing machine according to the test material, test force value and test requirements. Generally speaking, rubber enterprises can choose a single-column tensile testing machine or a double-column tensile testing machine according to their own products and force capacity of the tensile testing machine. For some metal enterprises, economical single-column tensile testing machines can be selected when the test force value is not large, but some customers consider the later tests that need to test larger force value loads and choose higher stability and accuracy double column tensile testing machine.

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