Mitutoyo HR-500 Series Hardness Tester Brochure

HR-500 SERIES

Rockwell Hardness Testing Machines

HR-530/530L

(810-233-33A)

SERIES 500 — Rockwell Type Hardness Testing Machines

•Closed Loop Test Force Control allows for a wide variety of hardness testing including Rockwell, Superficial and Light Force Brinell (6.25 to 187.5 kgf).

•Hardness testing of plastics according to ASTM D785 (Proceedure A and B) and ISO 2039-2 are also possible.

•Projected nose type tester allows testing of interior parts

•5 display formats are possible to show you the information you need. Statistics and graphs can also be displayed on the color touch screen control panel.

•Machine, blocks, and indenters are ASTM E18 compliant.

SPECIFICATIONS

Model

Order No.

Hardness testing methods

•Simple-to-use automatic brake-start system begins the test automatically when initial force is reached

•The HR-530 is available in 9.8” (250mm) or 15.5” (395mm) height capacity models.

•Complete with a combination diamond indenter, a 1/16” carbide ball indenter, one flat and one V anvil, 2 HRC, 1 HRBW, 1 HR30TW and 1 HR30N test block.

Rockwell/Rockwell Superficial/Brinell/Plastics hardness

Initial test force (N) 29.42N (3kgf), 98.07N (10kgf)

Test force (N) Rockwell Superficial 147.1N (15kgf), 294.2N (30kgf), 441.3N (45kgf)

Rockwell 588.4N (60kgf), 980.7N (100kgf), 1471N (150kgf)

Light Force Brinell 61.29 (6.25kgf), 98.07 (10kgf), 153.2 (15.625kgf), 245.2 (25kgf), 294.2 (30kgf), 306.5 (31.25kgf), 612.9 (62.5kgf), 980.7 (100kgf), 1226 (125kgf), 1839 (187.5kgf)

Test force control

Automatic (load/hold/unload)

Table up/down mechanism Manual (automatic braking and load sequencing)

Control unit Color touch-panel

Test force switching

Fine-adjustment table for Jominy testing

810-700

Optional Accessories: See page K-11, 12

Function: Touch-screen type

• Touch-screen operation with a back-lit LCD graphic display.

• Remote selection of the test force linked to the hardness scale selection.

• Choice of message language in English, German, French, Spanish, Italian and Japanese.

• Cylindrical and spherical surface compensation.

• Data offset.

• Conversion to other hardness scales.

• Powerful statistical processing with flexible data point editing and 1024 data memory.

• Measured data editing.

• Go/no-go tolerance judgment.

• Statistical processing, histogram and ¯x-R chart.

Operated with the display unit

Test force hold time 1 to 120s (Selectable in units of 1s)

Maximum specimen size

Permissible inside diameter of a tube specimen

Height: 9.8" (250 mm)

Depth: 5.9” (150 mm)

Height: 15.5" (395 mm)

Depth: 5.9” (150 mm)

Minimum hole diameter: 1.38" (35 mm) (when using the special indenter: .87" (22 mm))

Maximum table loading 45 lb (20 kg)

Ball indenter

Tungsten carbide ball indenter

Unit (display unit) inch

Display

Hardness value, test condition, go/no-go judgment result, statistical calculation result, X-R control chart, hardness conversion value

Conversion function [HV, HK, HR (Rockwell hardness A, B, C, D, F, G / Rockwell Superficial 15T, 30T, 45T, 15N, 30N, 45N), HS, HB, tensile strength]

Go/no-go judgment function

Continuous test function (for specimens with the same thickness)

Cylindrical correction, spherical correction, offset correction, multi-point correction functions

Statistical calculation function (maximum value, minimum value, mean value, standard deviation, upper limit value, lower limit value, go count, range, no-go count)

Graph generation function (X-R control chart)

Language support Japanese, English, German, French, Italian, Spanish, Korean, Chinese (simplified characters/ traditional characters), Turkish, Portuguese, Hungarian, Polish, Dutch and Czech

External data output RS-232C, SPC, USB2.0

Power supply AC120V

External dimensions Main unit 9.84” x 26.38” x 23.82” (250(W)×667(D)×621(H) mm) 11.8” x 26.2” x 30.1” (300(W)×667(D)×766(H) mm)

Mass

Touch-panel display 191(W)×147(D)×71(H) mm

Approx. 60 kg

Note: Plastic testing may not be enabled, depending on the material.

Approx. 69 kg

Rockwell Type Diamond Indenters

Scale

C 64HAA105

N 64HAA106 64HAA101

C&N 64HAA107 64HAA104

A 64HAA102

for Carbides 64HAA103

Optional Accessories

Test Blocks and Diamond Indenters

Test Blocks Rockwell Test Blocks

Order No.

Hardness

64HAA145 HRA22 Rockwell Test Block

64HAA147 HRA30 Rockwell Test Block

64HAA149 HRA39 Rockwell Test Block

64HAA151 HRA49 Rockwell Test Block

64HAA153 HRA63 Rockwell Test Block

64HAA155 HRA68 Rockwell Test Block

64HAA157 HRA73 Rockwell Test Block

64HAA159 HRA78 Rockwell Test Block

64HAA161 HRA83 Rockwell Test Block

64HAA163 HRBW0 Rockwell Test Block

64HAA164 HRBW10 Rockwell Test Block

64HAA165 HRBW20 Rockwell Test Block

64HAA166 HRBW30 Rockwell Test Block

64HAA167 HRBW40 Rockwell Test Block

64HAA168 HRBW50 Rockwell Test Block

64HAA169 HRBW60 Rockwell Test Block

64HAA170 HRBW70 Rockwell Test Block

64HAA171 HRBW80 Rockwell Test Block

64HAA172 HRBW95 Rockwell Test Block

64BAA124 HRC40/45 Rockwell Test Block

64BAA123 HRC30/35 Rockwell Test Block

64BAA158 HRC20/25 Rockwell Test Block

64HAA173 HRC25 Rockwell Test Block

64HAA174 HRC30 Rockwell Test Block

64HAA175 HRC35 Rockwell Test Block

64HAA176 HRC40 Rockwell Test Block

64HAA177 HRC45 Rockwell Test Block

64HAA178 HRC50 Rockwell Test Block

64HAA179 HRC55 Rockwell Test Block

64HAA180 HRC60 Rockwell Test Block

64HAA181 HRC63 Rockwell Test Block

64HAA182 HRC65 Rockwell Test Block

64HAA183 HRC67 Rockwell Test Block

64HAA193 HREW57 Rockwell Test Block

64HAA194 HRE62 Rockwell Test Block

64HAA195 HRE68 Rockwell Test Block

64HAA196 HRE75 Rockwell Test Block

64HAA197 HRE81 Rockwell Test Block

64HAA198 HRE87 Rockwell Test Block

64HAA199 HRE93 Rockwell Test Block

64HAA200 HRE99 Rockwell Test Block

64BAA156 HR15T61/63 Rockwell Test Block

* Please inquire for other hardness ranges

Carbide Ball Indenters

1/4” Carbide ball indenter

1/2” Carbide ball indenter

1/16” Carbide ball (10pc.)

1/8” Carbide ball (1pc.)

1/4” Carbide ball (1pc.)

1/2” Carbide ball (1pc.)

Test Blocks

Superficial Test Blocks

Order No. Hardness

64HAA251 HR15N 72 Rockwell Test Block

64HAA253 HR15N 78 Rockwell Test Block

64HAA255 HR15N 83 Rockwell Test Block

64HAA257 HR15N 88 Rockwell Test Block

64HAA259 HR15N 91 Rockwell Test Block

64HAA261 HR15N 94 Rockwell Test Block

64HAA262 HR30N 46 Rockwell Test Block

64HAA264 HR30N 55 Rockwell Test Block

64HAA266 HR30N 64 Rockwell Test Block

64HAA268 HR30N 73 Rockwell Test Block

64HAA270 HR30N 80 Rockwell Test Block

64HAA272 HR30N 86 Rockwell Test Block

64HAA273 HR45N 25 Rockwell Test Block

64HAA276 HR45N 43 Rockwell Test Block

64HAA278 HR45N 55 Rockwell Test Block

64HAA280 HR45N 67 Rockwell Test Block

64HAA282 HR45N 72 Rockwell Test Block

64HAA284 HR15TW 61 Rockwell Test Block

64HAA286 HR15TW 67 Rockwell Test Block

64HAA288 HR15TW 73 Rockwell Test Block

64HAA290 HR15TW 80 Rockwell Test Block

64HAA292 HR15TW 86 Rockwell Test Block

64HAA294 HR30TW 15 Rockwell Test Block

64HAA296 HR30TW 28 Rockwell Test Block

64HAA298 HR30TW 43 Rockwell Test Block

64HAA300 HR30TW 56 Rockwell Test Block

64HAA302 HR30TW 70 Rockwell Test Block

64HAA304 HR45TW 2 Rockwell Test Block

64HAA306 HR45TW 23 Rockwell Test Block

64HAA308 HR45TW 42.5 Rockwell Test Block

64HAA310 HR45TW 67 Rockwell Test Block

64HAA278 HR45N 55 Rockwell Test Block

64HAA280 HR45N 67 Rockwell Test Block

64HAA282 HR45N 72 Rockwell Test Block

Calibration Set

Optional Accessories

For Rockwell/Rockwell Superficial Type Hardness Testing machine

Round table

810-038 Outside ø250 mm

For large specimens such as molded items

Round table

810-037 Outside ø180 mm

For large specimens such as molded items

V-anvil (large)

810-040

(Outside ø40 mm, Groove width 30 mm)

For round specimens (max. ø60 mm)

V-anvil (small)

810-041

(Outside ø40 mm, Groove width 6 mm)

For shaft materials (max. ø8.4 mm)

Spot anvil

810-043

(Outside ø12 mm)

Spot anvil

810-044

(Outside ø5.5 mm)

For sheet specimens

Jack rest

810-028

For supporting long specimens (Used with anvil or round table)

VARI-REST

810-027

For testing long specimens (commonly used for the anvil)

Special V-anvil

810-029

(Length 400 mm, Groove width 50 mm)

For round specimens ø14-98 mm

Diamond-spot anvil

810-030

(Outside ø10 mm)

For sheet specimens

*Dedicated to the Rockwell Superficial hardness test

Small V-anvil

810-042

(Outside ø10 mm)

For round specimens (max. ø16 mm)

Testing machine table

11AAD186

Supplied with stability bracket

Testing machine table

Vibration isolator

810-643

Only for mounting hardness testing machines

Foot switch 11AAD537

Digimatic mini-processor DP-1VA 264-505A

Connection cable not supplied. (To be ordered separately.)

937386

Optional Accessories

HM200 and HR-530 Series:

06AFM380D: USB input tool – Tester to PC 936937: Tester to DP1-VA Printer

Quick Guide to Precision Measuring Instruments

Hardness Testing Machines

■ Hardness Test Methods and Guidelines for Selection of a Hardness Testing Machine

Material

IC wafer

Carbide, ceramics (cutting tool)

Steel (heat-treated material, raw material)

Non-ferrous metal

Plastic

Grinding wheel

Casting

Sponge, rubber

Shape

Thin metal sheet (safety razor, metal foil)

Thin film, plating, painting, surface layer (nitrided layer)

Small parts, acicular parts (clock hand, sewing-machine needle)

Large specimen (structure)

Metallic material configuration (hardness for each phase of multilayer alloy)

Plastic plate

Sponge, rubber plate

Inspection, judgment

Strength or physical property of materials

Heat treatment process

Carburized case depth

Decarburized layer depth

Flame or high-frequency hardening layer depth

Hardenability test

Maximum hardness of a welded spot

Weld hardness

High-temperature hardness (high-temperature characteristics, hot-workability)

Fracture toughness (ceramics)

Key: ● Well-suited

Reasonably suited

■ Methods of Hardness Measurement

(1) Vickers

Vickers hardness is a test method that has the widest application range, allowing hardness inspection with an arbitrary test force. This test has an extremely large number of application fields particularly for hardness tests conducted with a test force less than 9.807N (1kgf). As shown in the following formula, Vickers hardness is a value determined by dividing test force F (N) by contact area S (mm2) between a specimen and an indenter, which is calculated from diagonal length d (mm, mean of two directional lengths) of an indentation formed by the indenter (a square pyramidal diamond, opposing face angle θ=136˚) in the specimen using a test force F (N). k is a constant (1/g=1/9.80665).

HV=k F S =0.102 F S =0.102 2Fsin d2 θ 2 =0.1891 F d2 F:N

The error in the calculated Vickers hardness is given by the following formula. Here, Dd1, Dd2, and ‘a’ represent the measurement error that is due to the microscope, an error in reading an indentation, and the length of an edge line generated by opposing faces of an indenter tip, respectively. The unit of Dθ is degrees.

(2) Knoop

As shown in the following formula, Knoop hardness is a value obtained by dividing test force by the projected area A (mm2) of an indentation, which is calculated from the longer diagonal length d (mm) of the indentation formed by pressing a rhomboidal diamond indenter (opposing edge angles of 172˚30' and 130˚) into a specimen with test force F applied. Knoop hardness can also be measured by replacing the Vickers indenter of a microhardness testing machine with a Knoop indenter.

HK=k F A =0.102 F A =0.102 F cd2 =1.451 F d2 F:N d:mm c:Constant

(3) Rockwell and Rockwell Superficial

To measure Rockwell or Rockwell Superficial hardness, first apply a preload force and then the test force to a specimen and return to the preload force using a diamond indenter (tip cone angle: 120˚, tip radius: 0.2mm) or a sphere indenter (steel ball or carbide ball). This hardness value is obtained from the hardness formula expressed by the difference in indentation depth h (μm) between the preload and test forces. Rockwell uses a preload force of 98.07N, and Rockwell Superficial 29.42N. A specific symbol provided in combination with a type of indenter, test force, and hardness formula is known as a scale. Japanese Industrial Standards (JIS) define various scales of related hardness.

■ Relationship Between Vickers Hardness and the Minimum Allowable Thickness of a Specimen

Minimum thickness of specimen Diagonal length of indentation

HV=0.1891

t >1.5d

h≒d/7

t : Thickness of specimen (mm)

d: Diagonal length (mm)

h: Depth of indentation (mm) [Example]

Specimen thickness t: 0.15mm

Specimen hardness: 185HV1 Test force F: 9.807N (1kgf) Diagonal length d: 0.1mm

98.07x10-3 0.1961 0.2942 0.4903 0.9807 1.961 2.942 4.903 9.807 19.61 29.42 49.03

Relationship

■ Rockwell Hardness Scales

■ Rockwell Superficial Hardness Scales

F

H