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Analysis of waterproof test equipment and method of mixer rotary blade

Blender is a necessary product in the kitchen, which provides a lot of convenience for our food production. Usually in the process of using Blender to stir food, water is usually added. The blender blade is connected to the bearing, which is connected to the blender motor. Therefore, when manufacturers produce blender rotating blade, they will install waterproof sealing ring. Prevent water from entering into the motor from the cutter shaft, causing damage to the mixer. The rotary cutter head with waterproof treatment needs to be tested. According to the requirements of customers, the waterproof grade of rotary cutter head test isIP67 waterproof grade. According to customer needs, we recommend the HP development series of HarrisWaterproof tester

The place where the product needs to be tested is whether the water will leak into the cutter shaft after installing the sealing ring. We made a mold according to the shape of the product to add water to the mold5 kPa of compressed air, by detecting whether the air pressure in the mold will leak into the cutter shaft to judge whether the product is qualified. The figure below is the detailed drawing of the products we want to test and the molds we want to make.

Because the product needs to test the waterproof level isAccording to IP67 standard, the test pressure set for the product is 10.5kpa, which has been tested for many times. Finally, the lower limit of air intake is 10KPA, and the leakage line is 0.05kpa. Generally speaking, the test pressure is 10.5kpa. A qualified product should at least reach the pressure of 10KPA, and the leakage value should not exceed 0.05kpa. Otherwise, the instrument will automatically judge the product as unqualified according to the set test parameters.

(water proof test equipment for mixer rotary knife)

The waterproof tester recommended for customers is a cost-effective instrument launched by Harris according to the market demand.HP development series is a single pressure instrument, which is divided into single positive pressure air tightness detector and single negative pressure air tightness detector. For some products, only positive pressure is needed for testing, and automatic negative pressure of the instrument is not needed. Choosing HP development series air tightness tester can save the cost of purchasing instruments for manufacturers.

Pioneer series is a very mature and stable instrument with convenient operation interface and economic and practical cost performance, which has won high praise in the market. The function and performance parameters of the instrument can meet the needs of most customers.

HP pioneer series air tightness detector

High sensitivity pressure sensing and regulating unit, with advanced differential pressure software algorithm, the minimum resolution can reach1 pa, the algorithm has obtained the national patent.

The patented technology of "IVT pneumatic sealing valve island" independently developed by Harris greatly improves the test accuracy, ensures the stability of the instrument, and greatly improves the inflation speed.

Full touch intelligent operating system, graphical UI design based on detection process, simple and clear operation interface, easy to teach and learn.

There are positive and negative pressure optionsThere are 8 Basic test modes, which can be combined by single choice.

Multiple communication interfaces: built in RS232 serial port, RJ45 network port, USB communication interface, LTP external I / O control port, supporting a variety of communication protocols.

It has more than 100 groups of subroutines. Each group of subroutines can be programmed independently, selected and combined to meet various complex test requirements.

A variety of pressure regulating components and ranges are available. Wide range of air pressure (- 80kPa & amp; mdash; 1000kPa) optional. Selecting electronic pressure regulating valve can realize multi group pressure sequence test.

Ultra high stability, and ease of use, after a rigorous test of the market.

A variety of accessories are available, including inflatable bypass, quick connector and standard leak. At the same time, the instrument supports third-party calibration and can issue calibration report.

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