Head for checking linear dimensions of mechanical pieces

A technology for linear dimensions and mechanical parts, which is applied in the field of detection heads for detecting the linear dimensions of mechanical parts, and can solve problems such as material difficulties and large deformations.

Active Publication Date: 2009-08-12
MARPOSS SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, the bellows is subjected to very high pressure and undergoes large deformations
For this reason, it is often difficult to select materials that will ensure the reliability of the solution

Method used

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  • Head for checking linear dimensions of mechanical pieces
  • Head for checking linear dimensions of mechanical pieces

Examples

Experimental program
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Embodiment Construction

[0014] figure 1 Denotes a known type of detection head which is substantially of the same type as that described in the aforementioned US-B1-6269546 to which reference is made for a more detailed description.

[0015] Briefly, figure 1 The test head shown in includes a support with a housing 1 made of steel and substantially parallelepiped in shape and defining a longitudinal geometric axis. The movable arm arrangement comprises an arm 4 arranged in a direction substantially parallel to the longitudinal geometric axis of the housing 1 . The arm 4 comprises an inner part located inside the housing 1 and an outer part located outside the housing 1 , the outer part carrying the probe 7 . refer to figure 1 In the shown structure, the probe 7 is used to contact the mechanical surface arranged in the upper part of the figure. Through suitable openings, the inner hollow part of the housing 1 can be filled with a buffer fluid, such as oil with a specific viscosity, to reduce th...

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PUM

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Abstract

A gauging or measuring head for checking linear dimensions of mechanical pieces includes a casing (1), a movable arm (4) carrying a feeler (7), a fulcrum (10), coupled to the casing and the arm for enabling arm displacements with respect to the casing, a retraction device (68) with a cylinder (70) coupled to the casing and a piston (72) which slides therein for urging the arm to a definite inoperative position, and a position transducer (50) that provides signals depending on the position of the arm with respect to the casing. The retraction device includes a bellows gasket (88), which is housed in the cylinder and has its ends fixed to the cylinder and the piston.

Description

technical field [0001] The invention relates to an inspection head for inspecting the linear dimensions of mechanical parts, the inspection head comprising: a support defining a longitudinal geometric axis; a movable arm device having an arm capable of being moved relative to the The support moves, and carries the probe; the fulcrum, the fulcrum is connected to the arm and the support to enable limited rotational movement of the arm relative to the support; retraction device, the retraction means comprising a piston displaceable relative to said support and a seal, the piston being adapted to cooperate with said movable arm to move said movable arm to a defined inoperative position; and a sensor, The sensor is used to provide a signal dependent on the position of the arm relative to the support. Background technique [0002] Many types of inspection or measuring heads including these features are known for the inspection of mechanical parts on the bench, in the production l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/012G01B7/00G01B7/012
CPCG01B7/001G01B5/02G01B7/02
Inventor C·达拉利奥
Owner MARPOSS SPA
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