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Motorized Loading Plastics Rockwell Hardness Testing Machine with Dial Reading 0.5HR
Brief Introduction:
iRock-436M Plastics Rockwell hardness tester adopts the mechanism of automatic loading and unloading of the test force, the test force is regulated by the load-change hand wheel.
iRock-436M can select the dwell time and easy to use. Besides setting zero to dial, there is no man-made error. The instrument has high sensitivity and stability.
Application Range:
Suitable for hard plastics, hard rubbers, aluminum, tin, copper, soft steel, synthetic resins and fricative materials etc.
Motor-driven Plastic Rockwell hardness tester which is specially designed to test Plastic Rockwell hardness of plastic materials. It features wide application range, easy operation, good economy and practicality. It’s suitable to determine the Rockwell hardness of plastic, composite materials, all kinds of friction materials, soft metals and non-metal soft materials.
Technical Specification:
| Model | iRock-436M |
| Initial Test Force | 10kgf (98.07N) |
| Total Test Force | 60kgf (558.4N), 100kgf (980.7N), 150kgf (1471N) |
| Indenter | Ф3.175mmBall Indenter, Ф6.35mmBall Indenter, Ф12.7mmBall Indenter |
| Loading Method | Automatic (Loading/Dwell/Unloading) |
| Hardness Reading | Dial |
| Resolution | 0.5HR |
| Dwell Time | 2~60s |
| Max. Height of Specimen | 175mm |
| Throat | 165mm |
| Power Supply | AC220V/50Hz/1Ph; AC110/60Hz/1Ph |
| Execute Standard | ISO 6508, ASTM E-18, JIS Z2245, GB/T 230.2 |
| Dimension | 520×215×700mm, Packing Dimension: 650×370×950mm |
| Weight | Net Weight: 78kg, Gross Weight: 100kg |
Packing List:
| Name | Qty | Name | Qty |
| Instrument Main Body | 1 set | Ф3.175mmBall Indenter | 1 pc |
| Ф6.35mmBall Indenter | 1 pc | Ф12.7mmBall Indenter | 1 pc |
| Middle Plane Test Table | 1 pc | Large Plane Test Table | 1 pc |
| V-shaped Test Table | 1 pc | Hardness Block 75~85 HRE | 1 pc |
| Hardness Block 110~120 HRL | 1 pc | Hardness Block 100~110 HRM | 1 pc |
| Hardness Block 115~125 HRR | 1 pc | Weight A, B, C | 3 pcs |
| Power Cable | 1 pc | Fuse 2A | 2 pcs |
| Level | 1 pc | Horizontal Regulating Screw | 4 pcs |
| Screw Driver | 1 pc | Spanner | 1 pc |
| Anti-dust Cover | 1 pc | Usage Instruction Manual | 1 copy |
The Rockwell test consists of measuring the additional depth to which a carbide ball or diamond penetrator is forced by a heavy (major) load beyond the depth of a previously applied light (minor) load (SET point).
The minor load is applied first and a SET position is established on the dial gauge or displacement sensor of the Rockwell tester. Then the major load is applied. Without moving the piece being tested, the major load is removed and, with the minor load still applied, the Rockwell hardness number is automatically indicated on the dial gauge or digital display.
The diamond penetrator is used for testing materials such as hardened steels and cemented carbides. The carbide ball penetrators, available with 1/16 inch, 1/8 inch, 1/4 inch, and 1/2 inch diameter, are used when testing materials such as steel-copper alloys, aluminum and plastics to name a few.
Rockwell testing falls into two categories: Regular Rockwell testing (e.g., C and B scales) and Rockwell superficial testing (e.g., 30 N and 30 T scales).
High Rockwell hardness numbers represent hard materials and low numbers soft materials.