SU727971A1 - Apparatus for measuring discontinuous-surface components - Google Patents

Description

I

The invention relates to a measurement technique, namely to means and measurements of parts with intermittent surfaces during metal working on cutting machines.

Devices for measuring parts with discontinuous surfaces during processing are known, including a housing, a movable rod, an electromechanical brake of the movable rod, and a controlled arresting valve.

Such devices make it possible to perform a practically unstressed measurement of parts with intermittent surfaces, however, the speed of the taKHx device is determined by the speed of electromechanical operation (brake speed, which does not allow them to be used on circular grinding machines). table).

Also known are devices comprising a housing, a movable measuring device.

ROD, adjustable stem movement limiter and stem movement transducer to control signal 2, Adjustable stem movement retainer is located on the body, which ensures the constant lower position of the measuring rod.

The disadvantage of such devices is the inconvenience of the magnitude of the displacement (retraction) of the rod when measuring

0 Parts with non-fixed allowance. The adjustable stem movement limiter is adjusted so as to provide the minimum amount of stem movement on the finished dede5 talk. As long as the npiniycK Hia parts are large, the movement of the rod also increases accordingly, which causes the interrupted surface to strike the measuring tip and the measurement accuracy decreases.

To improve the accuracy of measuring parts, the adjustable rod stop is made in the form of a bar. movable along the axis of the measuring rod and interacting with a controlled surface. The drawing shows the proposed device. It contains body 1; movable measuring rod 2f suspension of measuring rod 3, made in the form of two flat springs measuring transducer, measles 4 of which are connected to e 11 Schertener, and catutn 5 and b are fixedly mounted in housing 1 an adjustable stopper n and displacement of the measuring rod, made in the movable bar 7 connected to the casing with the flat spring Sj and the adjusting nuts 9. The & rod 3 ends with the measuring tip 1O. Measuring force creates a spring 11. The device operates as follows. zom:.: - -...,: Adjustable limiter for changing the measuring meter setting. The protrusion of the measuring tip 10 for the mounting bar 7 is in the range of 0.02-0.05 mm (adjustment is carried out by adjusting nuts 9). When measuring parts with discontinuous surfaces, both the moving pin and the measuring tip 10 interact with the object to be monitored. If the measuring surface of the tested surface is located opposite the measuring tip U, see the measuring rod 2 in the upper position, if - depression, measuring the rod sinks into it until the adjusting nuts 9 with the sliding bar 7 touch. Beginning of the reserve, as indicated above, is determined by the setting and can be quite small, which ensures a shock input that will measure nakrnechnika ceiling elements on the next ledge test surface. As the allowance is removed from the part being monitored, the movable bar 7 and the measuring rod 2 descend lower and lower, which allows the transmitter to output the appropriate signals to control the strike cycle. The measurement part of the measuring transducer (not shown in the drawing) includes a peak voltmeter, which allows only the top position of the rod to be noted, which coo-i penetrates the dimensions of the part along the protrusions. Due to the mobility of the adjustable movement limiter of the i-O-movable piece, the retraction of the latter to the junction does not change as the allowance is removed. An inventive device A device for measuring parts with discontinuous surfaces, comprising KOpflyc, a movable measuring rod, an adjustable stem displacement inhibitor, and a rod displacement transducer into a control signal,. characterized in that, in order to increase the accuracy, the adjustable limiting rod movement is made in the form of a bar, moving along the axis of the measuring flow and interacting with the surface to be controlled. Sources of information taken into account in the examination 1.Active control in mechanical engineering. Machine Building, 1971. p. ZO2ZO6. 2. Active control in mechanical engineering. Mashinostroen, 1971, p. 262265 (prototype).

Claims (1)

Claim A device for measuring parts with discontinuous surfaces, 25 containing a housing, a movable measuring rod, an adjustable rod displacement limiter, and a rod displacement transducer into a control signal. 30, characterized in that, in order to increase accuracy, the adjustable rod limiter is made in the form of a bar moving along the axis of the measuring flow and interacting with the controlled surface.