Torque Calibration Suppliers and Manufacturers

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1.Description The brake lining friction performance drag tester is composed of test bench, computer measurement and control system, AC motor drag system, hydraulic brake servo control system, cooling and dust removal system, etc., and includes the necessary software of computer measurement and control, recording and testing report generation. This equipment adopts dragging method to test friction performance of brake friction material. It is suitable for the drag test of friction performance of M3, N2, N3, O3, O4 vehicle brake linings. 2.Functions: (1). Constant torque tests; (2). Constant pressure tests; (3).Comprehensive computer control, testing, printing curve and report; (4). The test standard is set by Excel, Automatically read into the test program by software, and the test can be performed according to various complex standards 3.The following representative test standards can be performed: GB / T34007-2017, P-VW3211, P-VW3212, ECE-R90 4.Technical parameters (1). Brake disc / drum diameter (max) F400 mm; Maximum axial load moment: 1085N.m (2). Cooling system: Industrial air conditioner, cooling capacity 2500W, Cooling air volume 720 m3 / h Exhaust: medium pressure fan, 1.1KW, speed 2800r / min Cooling system temperature: ventilation below 25 degrees (3).Temperature measurement range: 0 ~ 900 ºC; Measurement accuracy: less than 2.0 ºC (4). Power : AC 380V three-phase,80KVA

1.Description Chase friction testing machine is used to evaluate the frictional characteristics of material in braking system in accordance with the SAE J661,GB 5763-2018 and GB/T 17469-2012. Chase machine is suitable for small bench test of M1, M2, N1, O1 and O2 vehicles brake linings. This machine is widely used for product formulation R&D, Quality control and Certification etc. 2.Principle A constant pressure is applied to the sample,which will be pressed against the inner surface of the friction drum which rotates at a certain speed, so a friction force will be generated along the tangent direction of the contact surface. The friction coefficient of the tested sample can be determined by measuring the pressure and friction force. During the test, the Chase friction tester controls the temperature change at any time according to the requirements. The drum outer ring is used to assist the heating tube heating and the back suction cooling, so that the temperature change at the sample is stable and the temperature measurement accuracy is higher. 3.Features (1)Loading by Pneumatic servo with high precision control. (2)Temperature of friction drum is adjustable to adapt to different test requirements and different climatic condition. (3)Rubbing speed can be set freely between 0 and 1000 RPM. (4)The maximum load is up to 2000N. (5)This machine is controlled by PC. Speed, loads, temperature and test time can be preset by software. Test results are saved in computer. 4.Standards SAE J661, SAE J866, GB 5763-2018, GB/T 17469-2012, 5.Specifications Speed 0 to 1000 RPM Load 0 to 2000 N Temperature 0-600 (1112) Heating power 6KW Friction drum Ф277mm Power AC 380V Weight Approximate 2100kg

1.Description Chase friction testing machine is used to evaluate the frictional characteristics of material in braking system in accordance with the SAE J661,GB 5763-2018 and GB/T 17469-2012. Chase machine is suitable for small bench test of M1, M2, N1, O1 and O2 vehicles brake linings. This machine is widely used for product formulation R&D, Quality control and Certification etc. 2.Principle A constant pressure is applied to the sample,which will be pressed against the inner surface of the friction drum which rotates at a certain speed, so a friction force will be generated along the tangent direction of the contact surface. The friction coefficient of the tested sample can be determined by measuring the pressure and friction force. During the test, the Chase friction tester controls the temperature change at any time according to the requirements. The drum outer ring is used to assist the heating tube heating and the back suction cooling, so that the temperature change at the sample is stable and the temperature measurement accuracy is higher. 3.Features (1)Loading by Pneumatic servo with high precision control. (2)Temperature of friction drum is adjustable to adapt to different test requirements and different climatic condition. (3)Rubbing speed can be set freely between 0 and 1000 RPM. (4)The maximum load is up to 2000N. (5)This machine is controlled by PC. Speed, loads, temperature and test time can be preset by software. Test results are saved in computer. 4.Standards SAE J661, SAE J866, GB 5763-2018, GB/T 17469-2012, 5.Specifications Speed 0 to 1000 RPM Load 0 to 2000 N Temperature 0-600 (1112) Heating power 6KW Friction drum Ф277mm Power AC 380V Weight Approximate 2100kg

Features Ease to use without any training. Efficient One-man operation . Reduces down time and energy costs. Reduces vibration and noise. Prolongs belt and pulley life. This tool is magnetically mounted on the pulley and check the alignment of various pulleys. Show offset, vertical and horizontal angle simultaneously Technical Data Laser Accuracy< 0.5 mm (offset) < 0.02° (angle) Laser wavelength650 nm Laser line width1mm @ 2 m Output power< 2 mW Measuring distance10 m ControlsLaser ON/OFF button switch Mounting methodStrong magnets Operating time10 hours Operating temperature-20-40 Storage temperature-30-60 Battery type2 AA batteries Weight430g Dimension145*40*40mm HousingAluminium alloy,anodized Reflector Accuracy< 0.5 mm (offset) < 0.02° (angle) Reflector size41mm*27mm Mounting methodStrong magnets Weight500g Dimension145*40*40mm HousingAluminium alloy,anodized Carrying Case MaterialBlack,high density polyethylene InsertDie-cut foam Dimension210*167*70 mm Total weight1.3 kg

Description This testing bench is used for testing the linear velocity of governor tension pulley and response time of governor tripping. It is suitable for inspection of lift governor by testing companies, lift installation companies, as well as online testing of lift and overspeed governor manufacturers. Functions Speed and force measurement(Two in one). Measuring response time of electric safety device and safety gear, the pulling force of the overspeed governor, etc. This testing bench can test overspeed governor of different diameters by adjusting the motor bracket assembly and slide rails. Special laptop holder: adjustable in various angular positions, convenient and flexible. Data export function: test data can be exported for saving and printing, etc. Drive motor speed can be adjusted automatically The drive motor can change the direction of rotation Parameters Speed range: 0.5-9.99m/s Speed resolution:0.001m/s Speed accuracy: 1% Maximum speed of drive motor: 5000rpm Maximum pulling force: 5000N Pulling force resolution:1N Reduction ration: 1:30 Operation temperature: -10-50 Power: AC 220V Configuration Testing bench 1set, Laptop 1pcs, Driving device 1pcs, Reducer 1pcs, Driving device support, Speed reducer 1pcs Data cable 1pcs

Description It is used for measuring handrail belt, steps and pallets speed,start and brake acceleration,stopping distance ,as well as handrail belts and step/pedal speed synchronization rate of escalators and moving walks. It can also test the escalator/moving walks handrail belt deviation protection function and overspeed and anti-reversal protection function. Functions Measuring the speed of two handrail belts and steps/pallets at the same time. Test the speed deviation protection function of handrails of the escalator/moving walks. Test overspeed protection and anti-reversal protection function of escalator and moving walks. According to the speed data of the handrail belts of both sides and pallets of escalators/moving walks, 7-inch intelligent terminal automatically calculate the synchronization rate and speed deviation, braking deceleration, average speed, stopping distance, overspeed protection response time,Anti - reversal protection action response time etc. Wireless data transmission is adopted between the intelligent terminal and the main control box. Setting parameters on colour touch screen. automatically display test results, easy to operate. Two trigger mode selection Running direction correction function On-site Bluetooth printing function Parameters Speed range: 0.2-9.99 m/s (1-9999 rpm) Speed accuracy: 1% Speed resolution: 0.001m/s (1 rpm) Overspeed protection speed range: 0ï½?9.99m/s Unintentional reversal protection speed range: 0ï½?9.99m/s Display: 7 inch colour touch screen,Hand input. Operation System: Wince 6.0, Support SD Card Battery: DC 12V Built-in lithium battery Driver power: 11kW Driver power supply: AC 380V Operation temperature: -10-50 Operating humidity: â?¤95%RH Configuration Intelligent digital terminal 1pcs , Speed sensors 3 sets (Handrail belts speed sensor with fixture,non-sucker) Data collector 1pcs , Antennas 2pcs, Data cable 1pcs Driver 1pcs

Description PWS series electro-hydraulic servo dynamic testing system consists of frame, pump station, servo control system, computer and software, accessories and pipeline system. It can be applied to dynamic fatigue and static performance test of various materials, structural parts and components. Application 1.Dynamic high cycle fatigue test and low cycle fatigue test 2. Conventional mechanical property test and fracture force test under the control of static constant rate, constant strain and constant stress. 3. Part vibration and impact test 4. Fatigue life, crack growth, fracture toughness performance test for material or components. 5. Safety evaluation and working condition simulation of actual specimens. 6. It is applicable to quality control and experimental research in the fields of aerospace, aviation, vehicles, building components, rail transit, atomic energy and ship. Features 1.Frame structure: Dual columns (Below 300KN) and four columns (Above 300KN) 2.Crosshead: hydraulic tightening, hydraulic lifting and descending. Flexible adjustment of test space 3.Actuator is designed to integrated with frame. It can be placed up and down. 4.Wide range: 5kN- 5000 KN 5.The actuator has a built-in LVDT displacement sensor and external Load sensor electro-hydraulic servo valve. 6.Actuator amplitude limit position is equipped with hydraulic buffer, avoiding the damage out of control. 7.Various grips and accessories supply: Hydraulic pressure clamping chuck, threaded chuck, Three-Point Bending accessories, Four-Point Bending accessories etc. We can customize grips and accessories according to requirement. 8.Various specification Constant pressure servo pump station for selection. Range: 15-1500L/min. 9.Control system: Digital Control Electro-Hydraulic Servo Control system Optional: IST (Instron) Labtronic 8800 digital control system. DOLI company EDC580 control system. 10.Software: Provide dynamic and static software for selection. Labtronic software is optional. 11.Environment test equipment is optional: such as high temperature furnace and low temperature chamber. 12.External oil cooling circulation device is optional

Description The instrument is directly measuring the tension of each wire rope, calculating the tension deviation value. It is a professional measuring instrument for measuring the tension of wire ropes. Functions Measuring the tension of a single wire rope Automatically calculate the average tension Automatic calculation of deviation rate from average tension Data viewing and deletion Parameter setting function Data export function. Test data can be exported into the computer for saving and printing On-site Bluetooth printing function Parameter Range: 0-5000N Accuracy: â?¤2% Resolution: 1N Wire rope diameter range: 6-16mm Display: 1.8 inch LCD Battery: DC 12V Built-in lithium battery Operation temperature: -10-50 Data memory: 1000 groups Configuration Hand-held controlling box, tension sensor 1pcs, Bluetooth printer 1pcs, charger 2pcs.

Description This tester is used for testing the linear velocity of governor tension pulley and response time of governor tripping. It is suitable for on-site inspection of lift governor by testing companies, lift installation and maintenance departments etc, as well as online testing of lift and overspeed governor manufacturers. Functions: Control terminal integrated with driving device, which can drive the tension pulley running. Compact and easy operation. Two speed measuring modes: Contact and non-contact Driver rotating direction is adjustable. (clockwise and anti-clockwise) Ascending and descending measurement Driving motor constant speed test  Governor parameter setting Data viewing, deletion and browsing Support Bluetooth connection, operation on mobile phone with APP. The test data can be edited, modified and saved on the mobile phone,as well as be printed by Bluetooth on site.  Parameter Linear velocity range: 0.2-4m/s Accuracy:

1Application: This testing machine is applicable for static and dynamic test for the steps and pallets of escalator and moving walks. With additional clamps and fixtures, this machine can complete the dynamic and static mechanical properties of materials and components,including Tensile, compression, low cycle and high cycle fatigue tests of materials and components. 2Test standards and project EN 115-1:2017 5.3.3.2 Static test: Test project in 5.3.3.2.1 steps, 5.3.3.2.2 step riser, 5.3.3.2.3 pallets 5.3.3.3 Dynamic test Load test in 5.3.3.3.1 steps, 5.3.3.3.2 Pallets 3Parameter Maximum static test force: ±20kN, accuracy± 1% within 2-100% FS Maximum dynamic test force: ±20kN,accuracy± 1% within 2-100% FS Maximum amplitude: ±50mm Frequency range: 0.140Hz Maximum test space: No less than 750mm Distance between columns: 530mm Test platform:1800mm 1000mmÃ?800mm(L*W*H) Constant pressure servo pump station : Flow 36L/min, 21Mpa,Motor power 15kW

Description It is used for the measurement of the brake slip of crane hoisting mechanism; deflection, resilience, camber, dynamic stiffness of the crane girder; the speed and acceleration of crane and crab/trolley; Crane hydraulic cylinder inspection. It can also be used to measure the travelling speed and braking distance of other large equipment moving parts, as well as testing deformation of large-sized objects. Functions The entire system requires only one digital control terminal to complete all operations. All the measurement items are transmitted through Bluetooth or wire. The test results are directly displayed on the digital terminal. Intelligent curve analysis allows manual comparison of measurement results. The system can save unlimited sets of test data over the years. Intelligent analysis of possible risks of crane operation through changes in data. The brake slip can be measured at any angle below the crane, which fully guarantees the safety of operators and measuring instruments. No need to install the target and mark on the measured object to complete the deflection measurement. The instrument adopts telephoto imaging system, which can observe the measured target from a long distance. Speed measurement function: it can measure the lifting speed of the crane lifting mechanism. No wiring on site, no crane control circuit required, greatly reducing the difficulty and intensity of work and increasing safety. Linear motion speed measurement. Measurement information is automatically collected by the instrument, no manual input required. The instrument uses a high-precision absolute encoder to ensure measurement at any angle without affecting the accuracy of the measurement. The instrument uses a high-precision, high-frequency rangefinder to ensure the accuracy and real-time of the ranging data. Adopt dedicated intelligent digital terminal for data collection and data processing, friendly user interface and simple operation The host is composed of a ranging sensor and a theodolite installed on the base. Parameters Battery: DC 12V Built-in lithium battery Angular accuracy: 2 Liquid-electric compensation accuracy: 1s Liquid-electric compensation range: ±4Ë? Angle measuring mode: Absolute encoding. Ranging deviation: 0.5-20m Ranging: 0.5-500m Frequency: 25Hz Telescope magnification: 30X Objective aperture: 45mm Tube length: 157mm Plate level: 30/2mm Circular level: 8/2mm Slip Range: >100m Deviation: 2mm Deflection Range: >100m Deviation: 0.5mm Camber Range: >100m Deviation: 0.5mm

Description This tester is used for the measurement of the natural slip of fork arm and variation of the mast tilt angle under the rated load of the forklift. It is applicable to the on-site inspection and maintenance of forklifts by testing companies, forklift manufacturers and users. Functions Measure the natural slip of fork arm under rated load of the forklift Measure variation of the mast tilt angle of the forklift Measure displacement variation of object. Measure tilt angle variation in two dimensions of an object Data viewing, deletion, browsing, etc. Bluetooth print Battery display Timing reminder function Power-off protection Parameter Height: Range : 50m Resolution: 1mm Accuracy : 1mm Angle: Range: 90° Resolution: 0.004° Accuracy : 0.05° Battery: DC 12V Built-in Lithium battery Display: 1.8 inch LCD Laser power:

Torque