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Fully Automatic Tear Testing Machine Drop Weight Impact Test Of Steel Self - Lock Design

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Good quality Electromechanical Universal Testing Machine for sales
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Fully Automatic Tear Testing Machine Drop Weight Impact Test Of Steel Self - Lock Design

China Fully Automatic Tear Testing Machine Drop Weight Impact Test Of Steel Self - Lock Design supplier
Fully Automatic Tear Testing Machine Drop Weight Impact Test Of Steel Self - Lock Design supplier Fully Automatic Tear Testing Machine Drop Weight Impact Test Of Steel Self - Lock Design supplier

Large Image :  Fully Automatic Tear Testing Machine Drop Weight Impact Test Of Steel Self - Lock Design

Product Details:

Place of Origin: China
Brand Name: WANCE
Certification: CE SGS ISO9001
Model Number: DIT504C

Payment & Shipping Terms:

Minimum Order Quantity: 1 Unit
Price: Negotiation
Packaging Details: Wooden Case with fumigation
Delivery Time: 100-120 Working Days
Supply Ability: 8-10 Units/Year
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Detailed Product Description
Product Name: Drop Weight Impact Test Machine Impact Energy: 50000J
Total Weight Of Tup: 1020kg Standard: ASTM E436
Advantage: Fully Automatic Cooling And Specimen Feeding Drop Height: 1275~2610

Drop Weight Impact Test Machine DWTT 50000J ASTM E436 Drop-Weight Tear Tests of Ferritic Steels DIT504C



This type of machine is especially designed for drop-weight tear tests of ferritic steels



GB/T 8363, ASTM E436, API RP 5L3, GOST 30456




1. SIMENS PLC controls and touch screen provide high reliability and versatility.

2. Automatic specimen feeding and automatic positing

3. Frame structure is made of solid steel plate with high stability under impact

4. Striker is made of high strength steel plate with high impact resistance

5. Use chain to lift striker with high precision in height

6. Self-lock design for striker clamping

7. Full-closed safety shield

8. Special design tools for support change


Main frame

The bottom plate is made of solid steel plate, mass is up to 2100kg. Anvil is located onto the center of the bottom plate. Impact force onto the frame will rapidly transmit to the ground. As the impact force applies to the center of the main frame which is at the center of the foundation, foundation area is not so big (3mx3m), after long use, foundation will not decline by vibration, and horizontal level of the main frame will not change too.

The main frame is supported by four columns. Each column is divided by upper and lower part. The lower part of the columns is cone-shape cast iron; the upper part is high strength steel pipe. Cone-shape of lower part has higher anti-decline ability than cylinder-shape. Cast iron has stronger vibration resistance and isolation, the vibration caused by impact force will not transmit to the top plate, therefore, the main frame has not apparent vibration for each impact test.


Specimen support and anvilSpecimen support and anvil

Anvil is split-type design, separated from support. It is simple to change the anvil after wearing. Anvil radius contacting specimen is R15.5mm, made of 6CrW2Si material, with HRC58~65 hardness after heat treatment. This material is one kind of tool steel, able to bear high speed impact, with high hardness. Various size of spacers are used to satisfy specimens with different thickness ranging 3~10mm, 10-15mm, 15-20mm, 20-25mm, 25-30mm, 30-35mm, 35-40mm, 40~45mm, 45~50mm.



Striker consists of a few parts, which are made of separately machined steel plate. It features high impact resistance ability. Junction between each part is fixed by pin, jointed by high strength screw bolt. Tup is made of alloy steel 6CrW2Si with good impact resistance, little abrasion, long service life, and simple to change. The weights are separate, easy to change. Connection between weights is alignment pin with reliability.


Lifting system

Imported servo motor is used for the lifting system, with small size, light weight, high efficiency, low noise, and high stability.

Compared with common motor, servo motor is better in accuracy, response characteristic, over-load resistance, speed change performance, and torque characteristic.

Use chain to lift striker with smaller elasticity and higher accuracy than wire rope. Chain has higher strength, higher abrasion resistance and safer than wire rope. The lifting motor is located at the bottom of the frame, easy to mount and maintain.



ASTM E436 Standard Test Method for Drop-Weight Tear Tests of Ferritic Steels

4. Apparatus
4.1 The testing machine shall be either a pendulum type or a vertical-dropped-weight (Note 1) type. The machine shall provide sufficient energy to completely fracture a specimen in one impact.
4.1.1 As a guide in the design of the equipment it has been found that up to 2712 J (2000 ft·lbf) of energy may be required to completely fracture specimens of steel up to 12.7 mm (1⁄2in.) in thickness with tensile strengths to 690 MPa (100 000psi).
NOTE 1—Equipment of the vertical-dropped-weight variety that can be readily modified to conduct the drop-weight tear test is described in Test Method E 208.
NOTE 2—Current pipeline grade steels take more thn 4kJ at design temperature of -5 C
4.2 The specimen shall be supported in a suitable manner to prevent sidewise rotation of the specimen.
4.3 The velocity of the hammer (in either type of testing machine) shall be not less than 4.88 m/s (16 ft/s).





Model DIT504
Type C
Maximum energy (J) 50000
Minimum energy(J) 20000
Tup mass (kg) 1600
Tup mass accuracy ±1%
Weight mass (kg)



Weight mass accuracy ±0.5%
Total weight of tup 1960
Drop height(mm) 1275~2610
Velocity of drop (m/s) 5~7.14
Height accuracy(mm) ≤±10
Hardness of tup nose HRC58~62
Radius of tup nose(mm) R25±0.1
Hardness of support anvil HRC58~62
Alignment accuracy of center of tup nose, specimen and anvil center (mm) ≤±1.5
Support anvil span (mm)

254±1.5 (ASTM E436 & API RP*5L3)

250±2 (GOST 30456-97)

Specimen dimension (mm)

(length x width x thickness)

(305±19) × (76.2±3) × (3~50)mm (ASTM E436 & API RP*5L3)

(300±5) x (75±2) x (3~50)mm (GOST 30456-97)

Weight (kg) 15000
Power supply 3-phase, 5-line, AC 380V, 50Hz
Power requirements 20A, 5kW


Contact Details
Shenzhen Wance Testing Machine Co., Ltd.

Contact Person: Leo

Tel: +8613925289160

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