เครื่องทดสอบความแข็งแบบตั้งโต๊ะชนิด Rockwell 900-346 (Phase ll)
เครื่องทดสอบความแข็งคือการระบุความแข็งของชิ้นงานทดสอบ โดยการวัดความลึกโดยกดทางเข้าของหัวเพชร หรือลูกบอลเหล็กเข้าไปในชิ้นงาน มันใช้งานง่ายและใช้กันอย่างแพร่หลายในซอฟท์, โลหะหนัก, โลหะที่ไม่ใช่เหล็ก, อโลหะ
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Digital Superficial Rockwell Hardness Tester
Model No. 900-346
Load Cell, Closed Loop, Superficial Rockwell Hardness
Touch Screen Functions w/One Touch Testing Feature!
Features:Model No. 900-346 Superficial Rockwell Hardness Tester
This digital Superficial Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Micro computer controlled Touch Screen with USB output to PC. The 900-346 digital Superficial Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter. Capable of testing in all of the regular Rockwell hardness scales
Direct Loading Method With Load-Cell Instead Of Dead Weight System. High Speed Test Cycle and Extremely Accurate Loading Control
Automatic conversions to HB, HV, Regular Rockwell Scales
Touch Screen selectable system
Upper/Lower Limit Settings
Specifications: Rockwell Hardness Tester
Minor Load |
3 Kgf |
Major Load |
15 Kgf, 30 Kgf, 45 KGF |
Test Force Application |
Load Cell Closed Loop |
Test Force Control |
Motorized |
Results Display |
Hi Def LCD Digital Readout |
Resolution |
0.01HR |
Vertical Capacity |
7.80” |
Throat Depth |
5.90” |
Height |
700mm |
Width |
600mm |
Depth |
250 |
Weight |
220 lbs |
Accessories: Included
- N-scale Diamond Indenter
- 1/16” Ball Indenter
- 2- HRN test Blocks
- 3- HRT Test Block
- Test Table 5.87” (150mm)
- Flat Anvil 2.5” (63mm)
- Std. V- Anvil
- Accessory Case
- Test resolution: 0.01HR Rockwell unit;
- Operation temperature: 50° - 95°F (10ᵒC~35ᵒC)
- Power supply: single phase, AC, 110-220 with manual change, 50~60Hz, 4A;
- Machine dimension: 700mm×250mm×600mm.
Scale Symbol |
Indentor Type |
Preliminary Force N (kgf) |
Total Force N (kgf) |
Similar to A C and D scales but for thinner gage material
Typical Applications |
15N |
Spheroconical Diamond |
29.42 (3) |
147.1 (15) |
|
30N |
Spheroconical Diamond |
29.42 (3) |
294.2 (30) |
|
45N |
Spheroconical Diamond |
29.42 (3) |
441.3 (45) |
|
15T |
1/16” Carbide Ball |
29.42 (3) |
147.1 (15) |
Similar to B, F and G scales but for thinner gage material. |
30T |
1/16” Carbide Ball |
29.42 (3) |
294.2 (30) |
|
45T |
1/16” Carbide Ball |
29.42 (3) |
441.3 (45) |
|
15W |
1/8” Carbide Ball |
29.42 (3) |
147.1 (15) |
Very Soft Material |
30W |
1/8” Carbide Ball |
29.42 (3) |
294.2 (30) |
|
45W |
1/8” Carbide Ball |
29.42 (3) |
441.3 (45) |
|
15X |
¼” Carbide Ball |
29.42 (3) |
147.1 (15) |
|
30X |
¼” Carbide Ball |
29.42 (3) |
294.2 (30) |
|
45X |
¼” Carbide Ball |
29.42 (3) |
441.3 (45) |
|
15Y |
½” Carbide Ball |
29.42 (3) |
147.1 (15) |
|
30Y |
½” Carbide Ball |
29.42 (3) |
294.2 (30) |
|
45Y |
½” Carbide Ball |
29.42 (3) |
441.3 (45) |
|