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  • Timken ring block testing machine.

产品名称:Timken ring block testing machine.

产品型号:BJTMK-5

产品量程:5000N

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产品简介

Ladder, Ken ring fast testing machine is mainly used to do all kinds of lubricating oil and grease in the bearing capacity of the sliding friction conditions, friction characteristics, OK, scrape value test is to determine the extreme pressure properties of lubricating oil;

It can also be used for testing the wear-resisting property of various metal materials and non-metallic materials (nylon, plastic, etc.) in the sliding friction state.

At the same time, the friction coefficient of various materials can be determined and the friction coefficient of various materials can be calculated.

OK: the maximum mass (weight) that is added to the load lever plate during the process of determining the carrying capacity of the lubricant without causing a scratch or card bite.

Scratch value: the minimum mass (weight) that is added to the load lever in the process of determining the carrying capacity of the lubricant.

Method summary:

Before starting test, the sample need to warm up to 37.8 ℃ plus or minus 2.8 ℃.

In the test, a steel test ring is attached to a steel test block.

The rotational speed is 123.71m/min + 0.77m/min, which is equivalent to 800r/min /min.

Two values to be determined: the minimum mass (weight) of a card bite or scratch caused by the rupture of the oil film between the rotating test ring and the fixed test block, i.e. the scratch value.

The oil film between the rotating test ring and the fixed test block does not break without causing the maximum mass (weight) of the card bite or scratch, that is, the OK value.


执行标准

GB/T 11144-2007 "determination of extreme pressure performance of lubricating liquid"

SH/ t0203-2014 "determination of the extreme pressure of grease"


功能特点

1. Composition of the testing machine.

The testing machine by the fuselage and workbench, spindle and leveraged institutions, 1.5 kW (0-1500 r/min) of dc motor, speed digital display, temperature controller, electronic time relay, electrical box and dc speed control system applying pressure device, lubricating system and the heating device, device, sample and accessories and so on several parts.

2. Brief description of the test machine structure.

The main shaft of the test ring is rotated clockwise by the flange drive.

The magnetoelectric sensor directly measures the speed of the spindle through the speed gear mounted on the main shaft and displays it on the speed digital display instrument.

Pulley on the spindle by tooth synchronous belt drive over extended gear pump shaft turns the pulley rotation, test oil from the oil tank through try ring piece between the spindle in the tank, pulley by hand to control the transmission clutch drive gear oil pump, the oil test and take back to the tank, this test oil can be recycled.

If the driving clutch's hand is inserted into the positioning hole above, the drive clutch and the pulley are off, and the pulley is transferred over the lengthening shaft of the gear pump.

If the hand of the transmission clutch is inserted into the positioning hole in the lower plane, the driving clutch is engaged with the pulley and the gear pump is driven.

Circular knife on the base of blade blade, which bearing friction rod, rod test force on the friction of the blade, the left side bearing dress with the try block, block, block, the block on the baffle just stuck in loading on the spindle axis of the copper sliding sleeve.

The friction rod of the test bar is composed of a complete set of lever mechanism which can both apply force and measure force.

The test force was passed to the test block by the test force of 10:1, and the test force was applied to the test ring which rotated clockwise.

By applying the test force to the friction force, the friction force F between the test block faces is balanced, and the friction coefficient is deduced according to P and F.

Applying device by 550 w, 1400 r/min miniature three-phase asynchronous motor through the pulley, v-belt, large pulley drive the worm and worm wheel and screw and lifting nut lead plate with uniform rate of 8.92 to 13.33 N/S, smooth will lead to the force (or unload) test bar the right end of V groove, eliminate the influence of impact test force on test results.

When the lubricant test is done, the lubricant is heated by an electric heater.

The temperature of the oil is controlled by the thermostat.


技术参数

序  号

技   术   名   称

技   术   参   数

1

最大试验力(N)

5000

2

主轴转速(r/min)

1-1500

3

主电机功率(kW)

1.5

4

试验力杠杆比

10:1

5

施力速率(N/s)

8.92-13.33

6

试环尺寸(mm)

Φ49.22×13.06

7

试块尺寸(mm)

12.32 ×19.05

8

主机(长×宽×高)(mm)

1140×660×1620

9

施力装置(长×宽×高)(mm)

460×460×900

10

试验机质量(kg)

600

11

装箱质量(包括全部附件)(kg)

740


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