TABLET CALIPER

Abstract

Tablet caliper consists of the measuring bar with fixed jaw, moving frame with moving jaw. The measurement and computer block, which combines both digital measurement device of the vernier caliper and the computer, which has the temperature transmitter and photo-camera connected, is installed on the moving frame.

Claims

1. A Tablet Caliper comprising of the measuring bar with the fixed jaw, moving frame with moving jaw, the measurement and computer block, which combines both digital measurement device of the vernier caliper and the computer, to which the temperature transmitter and photo-camera are connected, are installed on the moving frame.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The essence of the invention is indicated in the sketch, where the tablet caliper, longitudinal section is indicated.

[0025] FIG. 1 is a schematic representation of the structure of the tablet caliper claimed.

[0026] The invention Tablet Caliper consists of the measuring bar 1 with the fixed jaw 2, moving frame 2 with moving jaw 4; and at the same time it is different from the well-known prior art in the fact that the measurement and computer block 5, which comprises both digital measurement device of the vernier caliper and the computer, to which the temperature transmitter 6 and photo-camera 7 are connected, are installed on the moving frame 3 (refer to sketch).

DETAILED DESCRIPTION

[0027] The measurement and computer block 5 of the Tablet Caliper by design combines the conventional digital measurement device of the conventional vernier caliper and minicomputer in a single casing. The measurement and computer block 5 is fastened on the moving frame 3 of the Tablet Caliper (refer to sketch).

[0028] The measurement and computer block 5 of the Tablet Caliper has a touch screen (with sensor and mechanical buttons), where the following information can be displayed, as desired by the operator:

[0029] Calendar date and time, temperature of the Tablet Caliper;

[0030] Photo and temperature of the detail (detail place being measured);

[0031] Unique parameters of the next measurement of the detail;

[0032] Series of the repeated measurements of the detail (3, 5, 10 or by the order), which are incorporated in the table;

[0033] Table of the mathematical processing of the series of repeated measurements (3, 5, 10 or by the order), including average, mean absolute error, mean root square deviation;

[0034] Individual uncertainty calculation of type B of the Tablet Caliper of the indicated standard size;

[0035] Record of the periodic metrological control of the Tablet Caliper.

[0036] The invention Tablet Caliper is used in the following manner:

The Tablet Caliper is switched on by pushing the respective button (mechanical or sensor) of the measurement and computer block 5; with that the temperature of the engaged Tablet Caliper is displayed on the screen, which temperature is recorded in the measurement and computer block (refer to sketch). The measurement jaws 2 and 4 are brought together and the readings of the Tablet Caliper are set to zero (refer to sketch). The actual temperature of detail 8 is determined by means of the temperature transmitter 6 (for the large-size details 8 the temperature is determined in the particular measurement place) and the detail is photographed, this information is recorded in the measurement and computer block 5 (refer to sketch). The measurement mode (single or repeated measurements) is set on the screen of the measurement and computer block 5 by means of buttons and the table format is selected for mathematical processing of the measurement results (refer to sketch). The temperature correction of the measurement error is performed taking into account the actual temperatures of the Tablet Caliper and detail 8, obtained by means of the temperature transmitter 6 (refer to sketch). The detail being measured 8 is grasped between the measuring jaws 2 and 4 and the information is read from the screen of the measurement and computer block 5 of the Tablet Caliper (refer to sketch). If required, the erroneous values of measurements, including the tabular ones, are removed, by means of the sensor buttons of the measurement and computer block 5 (refer to sketch). After every metrological control of the measurement equipment tool Tablet Caliper (periodic, current and after the repair) the mathematical linear making up of the error of moving frame 3 movement along the measuring scale 1 (refer to sketch).

[0037] According to the claims of invention Tablet Caliper the applicant fabricated the operative embodiment and performed comparative test together with the commercial vernier caliper made by MICROTECH (Kharkov, Ukraine) having the digital measurement device and communication port with computer /2/, which has been introduced to the State Registers of Ukraine and Russian Federation (mostly, widespread in Ukraine), which is as good as Japanese prior art MITUTOYO /1/, refer to table.

TABLE-US-00001 TABLE Prior art ShCC ( )-500 Invention MICROTECH with Comparative parameters Tablet MIS by No. Vernier caliper with computer Caliper MICROTECH/2/ 1. Measurement range, mm 0-500 0-500 2. Division value, mm 0.01 0.01 3. Measurement error, mm 0.25 0.05 4. Weight of the vernier caliper 1.45 2.35-6.5 with computer, kg 5. Number of the operators 1 2 involved, pers. 6. Linear compensations of scale + errors 7. Thermal compensation of errors + 8. Camera + 9. Temperature transmitter +

[0038] The comparative analysis of the suggested invention Tablet Caliper and commercial up-to-date sample of the vernier caliper by MICROTECH, mod. ShCC ()-500 with MIS for interfacing with computer /1/as given in the table, indicates the possibility of the practical implementation and absolute technical and economical advantages of the invention Tablet Caliper.

[0039] The suggested invention Tablet Caliper opens new higher level of the digital vernier calipers, which considerably surpass all the today's models of vernier calipers in terms of their parameters and technological capabilities.