Locating system for machine tools and locating method provided by said system
A positioning system, machine tool technology, applied in the field of positioning systems, can solve the problems of measurement errors exceeding millimeters, impossible to understand measurement results, depending on cable winding and unwinding, etc.
Pending Publication Date: 2021-03-19
斯普林加责任有限公司
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Problems solved by technology
[0029] In particular, it has been found that, despite being easy to manufacture, a cable system as described, if configured as described, can lead to absolutely non-negligible errors in the measurement of the position of the machine tool
[0030] Errors can actually be on the order of millimeters, and since machine tools are used for precision machining, errors result in essentially a net reduction in efficiency
[0031] Furthermore, the system described in the aforementioned application has a great disadvantage: it depends, in terms of accuracy, on the winding and unwinding of the cables connecting the turret to the tool
Any unwanted overlap of cables on the turret measuring reel can lead to measurement errors that may even exceed 1 mm
[0032] Furthermore, it is impossible for prior art systems to understand whether and by what extent the measurement differs from the actual position
Method used
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[0062] In this document, measurements, values, shapes, and geometric references (e.g., perpendicularity and parallelism) when used in conjunction with words such as "about" or other similar terms such as "approximately" or "substantially" should is to be understood as excepting errors in measurement or inaccuracies due to production and / or manufacturing errors, and most importantly, except for slight deviations from the relevant value, measure, shape or geometric reference. For example, if associated with a value, it is preferred that these terms mean no more than 10% difference from the value itself.
[0063] Additionally, terms such as "first," "second," "higher," "lower," "primary," and "secondary," when used, do not necessarily identify an order, relative priority, or relative position, but They can simply be used to more clearly distinguish different components from each other.
[0064] Unless otherwise stated, measurements and data reported herein should be considered a...
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There is provided herein a locating system (1) for a machine tool, the locating system (1) comprising: a machine tool (1a) comprising a tool (2) and moving means (3) adapted to be in direct contact with a machining surface (10a) and for moving the machine tool (1a) and the tool (2); at least two positioning devices (1b) each comprising: a support part (9); the detection device (7) comprises a first cable (70) or a second cable (71); and a positioning portion (8) configured to release or receive the cable (70, 71) so as to measure a detected distance (L1, L2) between the machine tool (1a) and the positioning device (1b), where the detection device (7) further allows the positioning devices (1b) to be interconnected so as to allow a distance (L3) between the positioning devices (1b) to be measured directly, the distance (L3) being further able to measure the detected distance (L1, L2).
Description
technical field [0001] The invention relates to a positioning system for machine tools (machine tools, mechanical tools) and a positioning method provided by the system. [0002] In particular, the device of the invention is aimed at a system in which the movement of the machine tool during machining is controlled by a computer which controls its movements and functions according to a well-defined working program. Background technique [0003] As is known, depending on the type of machining or tooling, machine tools can be, inter alia, lathes, drills, sanders, milling machines and generally comprise a workpiece holding table to which the object to be machined is attached and a spindle associated with the tool used for the machining. [0004] Operation of these machines requires an operator to place an object on a workpiece holding table, attach a tool to a spindle, position the spindle and tool relative to each other, activate the spindle, and then move the object to be mach...
Claims
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IPC IPC(8): G05B19/19G05B19/408G05B19/4099B23Q17/00
CPCG05B19/19G05B19/4083G05B19/4099B23Q17/00G05B2219/45136G05D1/0227G01B11/26G01B11/026G01B11/002B23Q9/0007B23Q17/22B23Q2717/006
Inventor A·特里福尼D·切沃利D·莫斯科尼L·弗兰吉
Owner 斯普林加责任有限公司