Model 642 Bend Fixtures
Model 642 Bend Fixtures are configured to meet a variety of testing requirements. The fixtures have adjustable spans with easy-to-use, permanently attached scales for equal positioning of the rollers. The hardened rollers ensure test result accuracy by reducing undesirable loading and frictional forces on the specimen. All models can be used for both 3- and 4-point tests.
Applications
- Bend
- Flexure
Test Specimens
- Metals
- Composites
Test Standards
- ASTM D790
- ISO 178
- ASTM D6272
- ASTM E399
- ISO 12135
- ISO 14125
- EN 2746
- EN 2562
- ASTM D5023
- ASTM D7264
- ASTM E290
- ISO 7438
Technical Overview
Model 642.001
- 1, 2, 3, 4, and 5 mm rollers are included
- Adjustable spans
- Metric and US Customary scales.
Models 642.01 And 642.10
- Model 642.01 can be used to meet ASTM D790, ASTM D7264, EN 2746, ISO 14125. The minimum nominal specimen thickness for the 4-point loading setup required by ISO 12125 Method B, is limited to 24 mm for smallest upper span.
- Model 642.10 can be used to meet ASTM E399, ASTM D7264, EN 2562 and ISO 12135. The minimum nominal specimen thickness for the 4-point loading setup required by ASTM D7264, is limited to 24 mm for smallest upper span.
- Flexible configurations provide either a region of constant stress or a line of maximum stress
- Adjustable spans
- Metric and US Customary scales
Model 642.25
- Well-suited for ASTM E-399 fracture toughness tests
- Adjustable spans
- Metric and US Customary scales.
Model 642 Bend Fixtures
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UPPER |
LOWER |
DYNAMIC |
TEMPERATURE |
COMBINED |
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MODEL |
TYPE |
FIXTURE SPAN |
FIXTURE SPAN |
FORCE RATING* |
RANGE |
HEIGHT** |
PART NUMBER |
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642.001 |
3 & 4 point bend fixture |
14-60 mm |
0.9 kN |
-129°C to 149°C |
61 mm |
100-027-125 |
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(0.6-2.4 in) |
(200 lbf) |
(-200°F to 300°F) |
(2.4 in) |
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642.01A-01 |
3 point bend fixture |
NA |
24-152 mm |
10 kN |
-129°C to 149°C |
172 mm |
051-427-701 |
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(0.94-6.0 in)*** |
(2.2 kip) |
(-200°F to 300°F) |
(6.8 in) |
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642.01A-02 |
3 & 4 point bend fixture |
24-76 mm |
24-152 mm |
10 kN |
-129°C to 149°C |
243 mm |
051-427-801 |
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(0.94-3.0 in)*** |
(0.94-6.0 in)*** |
(2.2 kip) |
(-200°F to 300°F) |
(9.6 in) |
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642.10B-01 |
3 point bend fixture |
NA |
38-305 mm |
100 kN |
-129°C to 177°C |
273 mm |
050-032-601 |
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(1.5-12.0 in)**** |
(22 kip) |
(-200°F to 350°F) |
(10.75 in) |
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642.10B-02 |
3 & 4 point bend fixture |
53-152 mm |
38-305 mm |
100 kN |
-129°C to 177°C |
356 mm |
050-032-701 |
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(2.08-6.0 in)**** |
(1.5-12.0 in)**** |
(22 kip) |
(-200°F to 350°F) |
(14.00 in) |
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642.25B-01 |
3 point bend fixture |
NA |
79-610 mm |
250 kN |
-129°C to 177°C |
470 mm |
050-876-201 |
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(3.12-24.0 in)***** |
(55 kip) |
(-200°F to 350°F) |
(18.50 in) |
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642.25B-02 |
3 & 4 point bend fixture |
50.8-203 mm |
79-610 mm |
250 kN |
-129°C to 177°C |
660 mm |
050-876-301 |
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(2-8 in)***** |
(3.12-24.0 in)***** |
(55 kip) |
(-200°F to 350°F) |
(26.00 in) |
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* Static and dynamic force rating depends upon roller diameter. |
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** Dimension depends upon roller diameter. Largest roller diameter shown. |
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*** Dimension depends upon roller diameter. 6.35 mm (0.25 in) roller diameter shown. |
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**** Dimension depends upon roller diameter. 25 mm (1 in) roller diameter shown. |
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***** Dimension depends upon roller diameter. 50.8 mm (2 in) roller diameter shown. |
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Model 642.01 Roller Assemblies* |
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DIAMETER |
PART NUMBER |
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5 mm |
051-284-601 |
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10 mm |
051-284-603 |
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0.25 in |
051-284-602 |
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0.50 in |
051-284-604 |
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Model 642.10 Roller Assemblies* |
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DIAMETER |
PART NUMBER |
DIAMETER |
PART NUMBER |
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5 mm |
049-578-501 |
0.25 in |
049-578-502 |
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10 mm |
049-578-503 |
0.375 in |
049-578-510 |
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15 mm |
049-578-505 |
0.50 in |
049-578-504 |
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20 mm |
049-578-507 |
0.75 in |
049-578-506 |
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25 mm |
049-578-509 |
1.00 in |
049-578-508 |
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Model 642.25 Roller Assemblies* |
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DIAMETER |
PART NUMBER |
DIAMETER |
PART NUMBER |
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20 mm |
050-875-202 |
0.75 in |
050-875-201 |
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30 mm |
050-875-204 |
1.00 in |
050-875-203 |
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40 mm |
050-875-207 |
1.75 in |
050-875-208 |
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50 mm |
050-875-209 |
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*Includes one roller and attachment springs. |
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Order quantity 3 for 3-point bend and 4 for 4-point bend configurations. |
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Roller assemblies listed above are not included with bend fixtures and must be purchased separately. |
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