Introduction
The YK19JC digital universal tool microscope is a classic measuring instrument that our company has been producing for decades, and it is the basic model in the 19J series of products. It covers almost all means of geometric measurement. The instrument has full functions, high precision, easy operation and durability. It is a conventional equipment in the precision machinery industry, and it is also an effective testing basis for technical supervision and measurement and testing departments at all levels. It is a scientific research, teaching The right assistant in the field.
YK19JC adopts grating subdivision and digitization technology, which has the characteristics of intuitive reading and good consistency, which improves work efficiency and further expands the scope of use.
The digital display of the instrument has a data output interface, which can be extended to connect to a two-dimensional data collector and a computer measurement operating system, and is upgraded to a 19JPC microcomputer-type universal tool microscope.
Main technical specifications of the instrument
X, Y coordinates | Measuring range: | 200×100㎜ | Resolution: 0.0002㎜ |
aiming microscope | Lifting stroke: | 120㎜ |
| Arm tilt range: | 15 degrees left and right | Graduation value: 10′ |
| Illumination diaphragm adjustment range: | φ3～φ32㎜ | Grid value: 1㎜ |
goniometer eyepiece | Angle measurement range: | 360° | Graduation value: 1′ |
Contour eyepiece | Angle measurement range: | ±7° | Graduation value: 10′ |
| Arc reticle: | Radius of curvature: | R0.1～100㎜ |
| Threaded reticle: | common thread pitch | t = 0.25 - 6㎜ |
|
| Trapezoidal thread pitch | T = 2 - 20㎜ |
Optical indexing head | Measuring range: | 360° | Graduation value: 1′ |
Optical Positioner | Probe diameter: | Φ3±0.1㎜ (the limit verification error of the actual diameter value is not more than 0.5μm) |
| Measuring force: | 0.1±0.03N |
| Maximum measuring depth | 15㎜ |
glass workbench | Glass table size: | 215×130㎜ (Dimensions: 268×225㎜) |
Thimble holder | Maximum clamping diameter: | Φ100㎜ |
| Maximum clamping length: | When the diameter of the tested piece is ≤ 55㎜: 750㎜ |
|
| When the diameter of the test piece is greater than 55mm: 600mm |
High thimble holder | Maximum clamping diameter: | Φ180㎜ |
| Maximum clamping length: | 600㎜ |
V-shaped frame | Left V-shaped frame front and rear adjustment range: | 5mm each |
| Right V-shaped frame height adjustment range: | Up 15mm; Down 3mm |
Maximum load 40kg |
Objective lens magnification mark value Tag | 1× | 3× | 5× |
Total magnification | with goniometric or profile eyepieces | 10× | 30× | 50× |
| with dual vision eyepieces | 15× | 42× | 65× |
object field of view (㎜) | with goniometric or profile eyepieces | φ20 | φ6.6 | φ4 |
| with dual vision eyepieces | φ13 | φ4.7 | φ3 |
working distance (㎜) | with goniometric or profile eyepieces | 81 | 90 | 65 |
| with dual vision eyepieces | 47 | 85 | 63 |
Instrument Accuracy
temperature requirements
(1) The temperature of the studio should be 20±2 ℃;
(2) The temperature change of the studio is less than or equal to 0.5 ℃ per hour;
(3) The temperature difference between the DUT and the instrument is less than or equal to 0.5 ℃
Under the condition that the specified temperature requirements are met, the instrument has the following guarantees:
①When the X and Y coordinates are verified with a glass millimeter reticle, the maximum inaccuracy of the instrument is: (1 + L / 100) & mu;m where L = measurement length unit: mm, the reticle of the instrument is adjusted according to the correction table When correcting: X direction is not more than 0.0035mm, Y direction is not more than 0.0025
② Goniometer eyepiece Maximum inaccuracy of measuring angle: no more than 1′
③ Dual-image eyepiece Instability of combined image: no more than 0.0005mm, inaccuracy of combined image: no more than 0.001mm
④ Optical indexing head Maximum inaccuracy: no more than 30"
⑤ Optical positioner Measurement instability: no more than 0.001㎜, measurement inaccuracy: no more than 0.0015㎜
Instrument weight, dimensions
Mainframe net weight: about 250㎏
Mainframe dimensions: (X×Y×Z): 980×1020×640
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