How to solve the problem of shortage of constant temperature and humidity box of flow
If in the constant temperature and humidity box of flow is insufficient, how to solve? At the time of operation and constant temperature and humidity box, always meet the problem of insufficient compressor exhaust, how should solve? Then Tony instrument by us small make up to fight experience to tell you how to solve this problem! First, inlet filter failure: 1) Fouling blocking 2) Reduce displacement 3) The suction is too long (4) Pipe diameter is too small, the increase of the suction resistance affects the volume, to clean the filter regularly. Second, compressor speed reduces reduce displacement: 1) Air compressor use undeserved, because of air compressor exhaust is according to certain altitude, design of suction temperature and humidity of 2) When using it in exceeds the standard on the plateau, inspiratory pressure reducing, displacement will reduce. Three, cylinder, piston, piston ring wear, super bad, make relevant clearance increases, increase leakage, affected the displacement. Fourth, the stuffing box is lax, produce a flat lower the volume. 1) The first reason is the gland itself made unsatisfactory; 2) Second may be due to the installation, is bad for the piston rod and stuffing box center, develop blemishes, strain cause air leakage; 3) Generally in filling grease in the packing, it can play the role of lubrication, sealing and cooling. Five, high low temperature test chamber compressor suction, exhaust valve fault influence on displacement. Six, between valve seat and valve disc fell into pieces of metal or other sundry, lead to closed lax, form a gas leak. Seven, valve spring force of matching with the bad. Eight, the clamping force of pressure valve. Pressure force is small, flat, too tight or not, of course, can make the valve cover deformation and damage. If in the constant temperature and humidity box of flow is insufficient, how to solve? Through the above Tony instrument small make up in detail, the user should have a clear on this issue solution! ( Instrument co. , LTD is located in the songshan lake high-tech industrial park, the most innovative features huazhong university of science and technology mechanical nc manufacturing engineering research and software research and development core team, professional production and research and development of all kinds of furniture testing instruments, toys, textile testing instrument testing instruments and general testing instrument. Welcome to inquire)
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1. ISO 5402-1: Specifies the flexometer method for testing leather flex resistance under repeated bending.
2. ISO 17694: Defines test methods for footwear upper and lining flex resistance, simulating real-world bending stress to assess long-term durability.
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Ball Burst Method (ASTM D3787): Steel ball penetration for textiles/films using testers like GT-C02-2.
Hydraulic Method (ISO 13938.1): Fluid pressure on rubber diaphragm for industrial fabrics via GT-C12A.
Pneumatic Method (ISO 13938.2): Compressed air for breathable materials tested with GT-C12B.
Results are influenced by raw materials, yarn properties,
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