Car Knob Testing Machine Selection Guide The car knob torque test is different from other knob torque test. There are many technical problems to be aware of when purchasing the test machine. Otherwise, many problems will not be solved after purchase.
In view of the current stricter quality requirements, the torque test of the knob is also urgent. In truth, the torque test of the knob is not a very technical thing, and the test machine has already started testing. However, there is currently a high requirement for the testing of the knobs in the industry, and there is a high demand for the technology of the testing machine - that is, the knobs of the automotive industry.
Generally we use the knob to test the torque up to a few kilograms. Then we have no technical difficulty in sensor selection and machine fluctuations, and the test data is also stable and accurate. But the knobs in the automotive industry are different. Their torque is very small, only a few kilograms. That's small in terms of sensor selection, it's not difficult. It is OK to supply the supplier with the production. But the key point is that the stability of the testing machine, the accuracy of machining and so on are very high. Otherwise, there will be large fluctuations and the test data is also very inaccurate.
I remember that when we first received the order for the automotive industry knob torque tester, it was also difficult to estimate. Produced according to conventional thinking, there are many difficulties in delivery. Later, it was also under the continuous efforts of our technicians and the active cooperation of suppliers. After technical updates, break through conventional thinking. Finally, the test machine meets the requirements of the customer.
The general situation of the knobs in the automotive industry is: First, the torque is small, the conventional thinking torque testing machine fluctuates greatly; second, the gear position is clear when the knob is rotated, the customer needs to see the torque condition of each gear from the waveform diagram; the third is to return the torque to the basic The above is consistent. If the test machine can test such an effect, it proves that the test machine can basically meet the customer's requirements.
The attached data is the waveform diagram of the car knob torque tester tested by our testing machine, which can basically meet the above requirements: the torque is stable, the gear position is clear, and the return journey is basically the same.
The specific technical issues involve the company's technical confidentiality issues. It is not mentioned here that customers in need can communicate by phone or network.
Therefore, when purchasing a car knob torque tester, it is important to know more before sale. If the supplier fails to meet the requirements, it is not a simple improvement that can solve the problem. Basically, you need to change the machine. , it is like a congenital fault, design flaws.
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The installation is as follows.
1. Installation Steps
a) Choose correct installation site, taking installation area, pipeline, transmitter location &
valve location into consideration;
b) Install the meter according to direction mark on sensor;
c) Install the sensor & transmitter on pipeline;
d) Connect transmitter & sensor with 9-pin cable;
e) Start.
a) Sensor stays away from mechanical vibration source, for example, pump. Use flexible pipe to connect meter with pipeline if inevitable. The housing of meter must be standalone, out of touch with any other device. There must be 3 times the size of sensor between 2 sensors if there are many flow meters on the same pipeline, to avoid resonance.
b) Do not install sensor on pipeline that easily expands with hot and contracts with cold, especially near expansion joint, which leads to a worse stability.
c) Sensor stays away from industrial electromagnetic field, such as large generator and transformer, better 5m at least. Such device influences the performance of drive coil and pickoffs. Make sure magnetic field intensity less than 400A/m.
d) Sensor shall be installed on lower pipeline, to be easily full of fluid.
e) Make sure Ex-mark meet application requirements if in hazardous area.
f) Build a sunshade if the meter is under direct solar radiation. g) Keep the meter from corrosive liquid.
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Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeters.com