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Laizhou Weiyi Experimental Machine Manufacturing Co., Ltd.





Add.: Xiyuan Road, Wenfeng Street, Laizhou
Zip Code:261400

International Trade: +86-535-2277555

E -MAIL: sales@weiyi.cc
Sales Hotline:13325155105

After-sales Service: +86-535-2258999

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Weiyi company owns two wholly owned subsidiaries, Feng Feng Grinding Wheel Co.,Ltd and Shandong Weiyi important and export Co., Ltd. Feng Feng Grinding wheel Co., Ltd product Weiyi metallographic cutting wheel and Liboshi High resin grinding wheel and polished piece, these products were exported to more than 70 countries around the world. 

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HRD-45AThe Electric Surface Rock-well Hardness Tester

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Product description

Main features:

1. Loading lever, reliable and durable, laboratory process automation, one for operator error

2. Dial direct reading, HRN, HRT, and optional Rockwell other scales

3. Precision hydraulic buffers, steady load and speed adjustable

4. No friction spindle, high precision experiments force

5. Accuracy according to GB / T230.2, ISO6508-2 and American ASTM E18 Standard



1. Determination of ferrous metals, steel, carbide and rear surfaces of the metal

surface treatment (carburizing, nitriding, plating layer) Rockwell hardness.

2. Particularly suitable for precision measurement of parallel planes.


Standard Accessory Kit:

1. Ohira table, square table, V-type table: one each

2. Diamond cone indenter, 1/16 "ball indenter: one each

3. Standard surface Rockwell hardness block: 4 pcs


The main technical parameters:

1.Measure range:70-94HR15N,67-93hr15T,42-86HR30N,29-82HR30T,20-77HR45N,10-72HR45T

2.Experimental force:147.1, 294.2, 441.3N(15,30,45kgf)

3.Specimen maximum height :200mm

4.Pressure center to wall distance:135mm

5.Hardness fineness:0.5HR

6.Power :220v ,50/60hz

7.Weight :70kg size 500×250×700mm

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