XJCJ Falling Mass Impact Testing Machine

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Product Description:

1. Functions

It is used for the plastic pipe, board and goods to do the impact test , to praise the materials resistant outside force impact performance. The machine controlling parts adopt the numerical control technique. It can number preset and display the impact height, automatic return to zero, rising hammer, dropping hammer, impact and can effectively prevent the twice impacting. It adopts the distyle structure, the structure is compact, energy lost is small, and testing speed is quick.

2. standards-compliant

GB/T 14152   ISO3127 BS EN1411

BS EN744

3. Technological indicators

Impact height: 0-2000mm,±2mm

Overall dimensions: L750mm×W550mm×H3500 mm

Energy losses: 0.25%

Masses of strikers: 0.25-15kg, permissible tolerance shall be ±0.5%

Nose and masses of striker: depending on customers standards

Rising speed: 12m/min

Anti-rebound catching rate: 100%                    

XDK Low Temperature Refrigerator

A. Product Introduction

  It is used for the plastic pipe, sheet and profiled shock resistance performance test low temperature management, which consists of refrigerator and control instrument. Control apparatus is composed of digital temperature sensor, the temperature control circuit, instantaneous power-off protection circuit and LED digital tube display panel meter. It achieve the real-time display, temperature control, measurement, alarm and other functions. Has the advantages of high control accuracy, convenient operation etc

B. Accord with the standards:

  GB/T14152-2001、GB/T1043、GB/T1843、GB/T8814、GB/T15558.1和JG3050

C. The main technological Parameters

  a. Temperature control range: - 20-0℃;

b. Control temperature accuracy: setting value +1℃

c. Use the LED numeral display

    d. Power : 220V+10%, 15A.

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Q:How to measure the high, medium, low end of the remote pressure meter with a multimeter?
A high, medium, and low end pressure gauge shall be a three position contact type control pressure meter. If no signs are available, you can use either the ohmmeter or the buzzer test of the meter. Use the pencil first low limit hands to contact with the actual pressure gauge contact is closed, with a multimeter measuring three end exchange both ends of the middle and low end, the rest is high, then closed contact separately, the high pressure closed with the actual pointer to pointer, and then test interoperability both ends of the middle and high, so you can points out.
Q:Is the ordinary pressure gauge oil resistant and vacuum resistant?
The use of pressure gauges should be chosen according to the specific working conditions.
Q:The difference between yn and YTN pressure gauges
Seismic pressure gauge models now there is no unified naming rules, general provisions are: Y: T: pressure gauge; spring tube; N: Seismic
Q:Where is the safety valve and pressure gauge for the gas tank?
The safety valves go to the local Quality Supervision Bureau at the municipal level, and they will designate a place for you to check.Pressure gauge local measuring instruments inspection qualification institutions, general provincial and municipal metering Inspection Institute on the line.
Q:What is the PSJ of the pressure gauge?
Is that PSJ, not PSI?If it is "PSI", the English word "pounds per square inch" translates into pounds / square inches, a pressure unit used in European and American countries.Conversion relationship is: 1psi=6.895kPa, 1Mpa=145Psi.
Q:What does the condensing pressure gauge in the refrigeration system measure?
Condensate pressure gauge condensing pressure measured by the condenser, the condensation pressure can check the condensate saturation temperature, condensation temperature - saturation temperature before throttling (cloth line system temperature) = supercooling degree, calculate the degree of supercooling is appropriate.At the same time, through the condensation temperature, the pressure is normal, taking into account the different temperature, the pressure should be also different, the condensation pressure is too high, can be said to be too much or not enough refrigerant condenser (considering the design), or a condenser outside of the room is dirty, the motor speed is low (considering maintenance), the condensing pressure is mainly to see whether the pressure is too low, you can calculate the degree of supercooling, there is no reasonable use of condenser;
Q:How is the pressure gauge ABC divided?
1 when measuring the steady pressure, the normal operating pressure shall be 1/3 2/3 of the upper limit of the measuring range of the instrument,2 when measuring the fluctuating pressure (such as the pressure at the outlet of pumps, compressors and fans), the normal operating pressure shall be1/3~1/2 of upper limit of instrument measuring rangeThe normal operating pressure shall not exceed the upper limit of the instrument measuring range when the 3 sides are high and the pressure is greater than 4MPaValue of 1/2
Q:Do electric contact gauges come with 24V contact with gold?
I don't think it's necessary to use gold for contacts.1. The action of a contact on a pressure meter is equivalent to a switch used to conduct or disconnect the circuit. It does not require a power supply. The maximum operating voltage is 380V, and it can also be used for 220V or 24V (including AC and DC).2. Electric contact pressure gauge in the work process, will not contact in contact contact, due to voltage, spark will contact between the spark can burn contacts, lead oxide, so the electric contact pressure gauge work after a period of time will produce the phenomenon of bad contact, and can work normally after cleaning contact.3. In order to make the electrical contact work long time, it is important to note that the work power of the coil of the small relay in the back shall be controlled below 30W, otherwise it will burn up easily (contact power rating 30W).4. What material to choose contact is to consider comprehensively, choose pure gold or pure silver, only contact resistance is small, other aspects will not do.Our company produces a variety of electric contact pressure meter, suitable for a variety of industrial and mining use, interested can go up to see.
Q:What do you think of the pressure gauges with snow?
There are two scale tables and multi scale forms in the air conditioning snow scale. We usually read the outer ring scale, and the other scales have the following indication, which represents the evaporation pressure of refrigerants under different refrigerants. The outer ring (black scale) for pressure values, in the 2 circle (red scale) are a number of snow (R22, R12) corresponding to the temperature value.
Q:Detailed explanation of working principle of Bourdon tube pressure gauge
The working principle of the spring tube type pressure gauge is spring tube; under the action of pressure, the free end displacement, the displacement of the rod drives the transmission amplification mechanism, the pointer deflection, and indicate the pressure value on the scale.Bourdon tube pressure gauge is mainly composed of a threaded joint holder, spring tube, rod, screw, gear sector, small gear, hairspring, pointer, upper and lower clamping plate, dial, case, shell etc..The function of each component in the drive amplifier mechanism:(L) pull rod - transfer the displacement of the free end of the spring tube to the sector gear;(2) the sector gear converts the line displacement to angular displacement and then passes it to the pinion and has an amplification effect;(3) the pinion drives the coaxial pointer to rotate, indicating the measured pressure on the dial;(4) - the gossamer fan gear and small gear tooth profile keep one-way contact clearance contact two gear, in order to reduce the return difference;(5) adjusting the screw - changing the position of the adjusting screw can change the length of the short arm of the sector gear, so as to change the drive ratio;(6) the upper and lower clamping plates fix the components together to form a set of transmission mechanisms.The drive mechanism, also known as the movement, is the heart of the pressure gauge. Its function is to enlarge the displacement of the free end of the spring tube so as to achieve the purpose of easy reading.

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