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CNC Roundness/Cylindricity Measuring System
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ROUNDTRACER EXTREME All- In - OneA high-end machine that integrates roundness, contour, and surface roughness measuring functions all in one. This measuring machine not only delivers speed, accuracy and operability at the highest level, but also supports the measurement of workpieces of various shapes, such as |
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High-throughput roundness measurement |
High-accuracy contour measuring |
Even more advanced surface roughness measurement |

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Ideal for cutting iron and copper wires in the fields of electronics, precision instruments, etc.
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The blade is equipped with our proprietary “Micro Mirror Blade,” a cutting-edge polishing technology, which provides a sharp cutting edge and a clean cut surface. |
Ideal for cutting iron and copper wires in the fields of electronics, precision instruments, etc.
| Number | Iron wire* | Copper wire* |
| PP60-125 | φ1.2mm | φ2.0mm |
| PP60-150 | φ1.6mm | φ2.6mm |
*Cuttable materials and capabilities
| 125mm (PP60-125) | 150mm (PP60-150) | ||
| a | 123 | a | 150 |
| b | 15 | b | 17 |
| c | 8 | c | 9.5 |
| d | 53 | d | 53 |
| e | 18 | e | 21.2 |
| i | 23 | i | 23 |
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Portable Surface Roughness Tester
The auto-set unit* enables measurements to be made with a single button push, saving you time and increasing work efficiency.
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The auto-set function safely controls descent of the detector, eliminating the possibility of operator error causing damage to the stylus. |
Auto-set unit* 178-010 This unit automatically completes a full measurement cycle of stylus contact, measurement, stylus retraction and detector auto-return from just one button push (stylus retraction and detector auto-return can be switched on and off by operating the drive unit).
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| Options for SJ-410 Series |
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X-axis adjustment unit*
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Tilting adjustment unit* |

Verification of geometrical tolerances, including roundness, is a must in today's quality-conscious environment.
Roundness measuring machines with the ability to perform product verification in conformity with ISO, JIS and other standards are indispensable to any quality control system that aspires to implementing high-grade quality assurance. Heightened awareness of production quality and higher quality goods will help enhance your corporate image with the buying public.
Roundness verification attempted using basic measuring tools involves the following drawbacks.
• Measurement is not conducted by a radiusmethod conforming to the standards, forwhich a reference axis is necessary.
• Measurement verification that meets theaccuracy required by the drawings cannot beperformed.
• Recorded profiles cannot be obtained.
Three-point method using an indicator and V-block has better resolution but is not sensitive to common lobing conditions.
• Reduction


| Material | Tip | Polypropylene + Elastomer |
| Body | Stainless(SUS420J2) | |
| Color | Black+gray | |
| ESD standard | 1×104≦Rg<1×1012Ω | |
| Weight | 17g | |
| Replacement parts | P-640J-1 | |
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Quantity: 50 sets (50 screws, 50 nuts)
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ESD-SAFE:ESD Elastomer Tip,ESD Tip
CORROSION-RESISTANCE:P-643N-1 / P-645N-1
| Part. no | Product Name | ![]() |
Material | Color | Heat resistant temp.℃ | ESD standard Ω | Quantity | ||
| A | B | Tip width | |||||||
| P-640J-1 | ESD ELASTOMER TIP |
48 | 10 | 1.5 | Polypropylene + Elastomer | Black+ gray | - | 1×104≦Rp<1×1012 | 2-piece set |
| P-643J-1 | 3.0 (R-type) | ||||||||
| P-645J-1 | 6.0 (R-type) | ||||||||
| P-640S-1 | ESD Tip |
1.2 | PEEK*1 | Black | 315 | ||||
| P-641S-1 | 0.4 | ||||||||
| P-642S-1 | 1.0 (R-type) | ||||||||
| P-643S-1 | 47 | 2.4 (R-type) | |||||||
| P-644S-1 | 48 | 0.6 | |||||||
| P-645S-1 | 6.0 | ||||||||
| P-640P-1 | Plastic Tip |
1.2 | PBT*2 | White | - | - | |||
| P-644P-1 | 0.6 | ||||||||
| P-643N-1 | Non-Stick Tip |
46 | 2.4 (R-type | HDPE*3 | White (Translucent) |
- | - | ||
| P-645N-1 | 48 | 6.0 | |||||||
For P-640 to 650 series
*1 PEEK (polyether ether ketone) is an engineering plastic








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