Head for checking linear dimensions of mechanical pieces

A technology of linear dimensions and mechanical parts, which is applied in the field of detection heads for detecting linear dimensions of mechanical parts, and can solve problems such as large deformation and difficult materials

Active Publication Date: 2011-01-19
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
  • Head for checking linear dimensions of mechanical pieces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] figure 1 It indicates a known type of detection head, which is basically the same type as the detection head described in the aforementioned US patent US-B1-6269546, and is described in more detail with reference to the US patent.

[0015] Briefly, figure 1 The detection head shown in includes a support with a housing 1 which is made of steel and has a substantially parallelepiped shape and defines a longitudinal geometric axis. The movable arm device includes an arm 4 arranged in a direction substantially parallel to the longitudinal geometric axis of the housing 1. The arm 4 includes an inner part located inside the housing 1 and an outer part located outside the housing 1 with a probe 7. reference figure 1 In the structure shown, the probe 7 is used to contact the mechanical surface arranged in the upper part of the figure. Through suitable openings, the inner hollow portion of the housing 1 can be filled with buffer, such as oil with a specific viscosity, to red...

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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 present invention relates to a detection head for detecting linear dimensions of mechanical parts. The detection head includes: a support, the support defines a longitudinal geometric axis; a movable arm device with an arm, the movable arm device can be relatively The support moves and is equipped with a probe; a support shaft connected to the arm and the support so that the arm can perform limited rotational movement relative to the support; a retracting device, the support The retracting device includes a piston and a seal, the piston being able to move relative to the support, the piston being adapted to cooperate with the movable arm to move the movable arm to a determined non-operating position; and a sensor, The sensor is used to provide a signal according to the position of the arm relative to the support. Background technique [0002] Many types of inspection heads or measuring heads including these features are known, which are used to detect ...

Claims

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Application Information

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Patent Type & Authority Patents(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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