เครื่องทดสอบความแข็งแบบตั้งโต๊ะชนิด Rockwell 900-345 (Phase ll)

เครื่องทดสอบความแข็งคือการระบุความแข็งของชิ้นงานทดสอบ โดยการวัดความลึกโดยกดทางเข้าของหัวเพชร หรือลูกบอลเหล็กเข้าไปในชิ้นงาน มันใช้งานง่ายและใช้กันอย่างแพร่หลายในซอฟท์, โลหะหนัก, โลหะที่ไม่ใช่เหล็ก, อโลหะ

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Model No. 900-345

Just like our Phase II analog Rockwell Hardness Tester, the 900-345 Superficial Rockwell Hardness Tester comprises "state of the art" design and dynamic precision only found at Phase II. Used for testing thin and soft material in the Superficial Rockwell Hardness scales, this hardness tester is ruggedly engineered to obtain highly sensitive and accurate readings. Conforming to ASTM E-18 Superficial Rockwell Hardness standards, this hardness tester will offer unmatched repeatability in all Superficial Rockwell Hardness scales (table shown below). A perfect performer suited for any environment including heat treat facilities, tool rooms, workshops, laboratories and inspection labs. Lifetime technical support is included with all Phase II Hardness Testers. So test away with confidence and a level of accuracy you will only find at Phase II.

Features:

Direct analog dial reading
Engineered to obtain highly sensitive and accurate readings
Conforms to ASTM E-18
Perfect for laboratories, workshops, tool rooms, inspection labs, etc.
For testing thin, soft material in the Superficial Rockwell scales (900-345)

Specifications:

Minor Load	3 Kgf
Major Load	15 Kgf, 30 Kgf, 45 Kgf
Test Force Application	Dead Weight
Test Force Control	Manual
Results Display	Analog Dial Gage
Vertical Capacity	6.7 in.
Throat Depth	6.6 in.
Height	28 in.
Width	8.9 in.
Depth	19.6 in.
Shipping Weight	190 lbs

Accessories:

N-scale Diamond Indentor
1/16" Steel Ball Indentor
3- HRN Test Blocks
3-HRT Test Blocks
Test Table 5.87" (150mm)
Flat Anvil 2.5" (63mm)
Spot Anvil .38" (10mm)
Std. Vee Anvil
Accessory Case
Dust Cover

Options:

NIST/ASTM certified hardness test blocks, penetrators and kits are available.
This model is available with ASTM E18-08B or current certification

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)