STSJ-5A Digital Soil Direct Shear Testing Machine,Tetragenous Direct Shear Testing Apparatus

STSJ-5A Intelligent Electric Tetragenous Direct Shear Testing Apparatus

1. To test the shearing resistance of soil specimens with optional speed.

2. patent product, approved on the provincal level

3. Manufacturing License for China industrial products(xk07-003-0014)

1. Application:

The apparatus is a kind of strain controlled direct shear apparatus used to test the shearing resistance of soil specimen.

It carries on shearing test by using four specimens in different vertical pressure, to work out  the final shearing force as a result when the specimen is broken. According to Coulomb’s law to determine the shearing resistance coefficient, internal fictional angle and cohesion of the soil

Convenient operation, stable shearing rate.

It also has a limit device to protect the apparatus.

2. Characteristic:

• Stainless steel working table with stepper motor
• High precision, low noisy
• Single-chip computer control
• Speed can be set and displayed as required
• Convenient operation
• ABS vertical control cabinet 

3. Technical Parameter:

• Max.vertical loading capacity: 400Kpa
• Pressure grading: 50Kpa, 100Kpa, 200Kpa, 400Kpa
• Lever ratio: 1:12
• Shear box: 4 units
• Shear specimen: 30 cm²        Height: 2cm
• Max.horizontal shearing force: 1.2KN
• Speed of the pushing shaft: 5mm/min, 2.4mm.min, 1.5mm/min, 0.8mm/min, 0.02mm/min, 0.01mm/min (Speed can be adjusted freely according to requirement).
• Power: AC220V, 50Hz

4. Components:

• Weights
• MF lever
• Latch hook
• Top
• Binging nut
• Estimate collar bearing
• Protective frame of the estimate collar bearing
• upper top
• container
• hangwheel
• pushing rod
• lever tracking assembly
• limit switch
• balance hammer

5. Full Packages:

• Main frame: 1 unit
• Shear box: 4 sets
• Weights: 1.275 Latch hook: 4units / 1.275 Weights: 4 unis /  2.55 Weights: 12units
• Steel balls 10mm: 52units
• Chute board: 8 units
• Porous stome:  61.8 12:4 units / 61.8 10:4 units
• Cutting ring 61.8 20:4units
• Balance hammer: 4units
• Estimate collar bearing 1.2KN: 4 units
• Manual: 1 piece
• Certificate: 1 piece
• Dial gauge: 5units (prepared by user)

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