WO2023128978A1 - A processing machine having parts with partially reduced expansion - Google Patents

A processing machine having parts with partially reduced expansion Download PDF

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Publication number
WO2023128978A1
WO2023128978A1 PCT/TR2022/050965 TR2022050965W WO2023128978A1 WO 2023128978 A1 WO2023128978 A1 WO 2023128978A1 TR 2022050965 W TR2022050965 W TR 2022050965W WO 2023128978 A1 WO2023128978 A1 WO 2023128978A1
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WO
WIPO (PCT)
Prior art keywords
processing machine
passage
passage channel
processing
casting
Prior art date
Application number
PCT/TR2022/050965
Other languages
French (fr)
Inventor
Osman Fatih IGREK
Original Assignee
Igrek Makina Sanayi Ve Ticaret Anonim Sirketi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Igrek Makina Sanayi Ve Ticaret Anonim Sirketi filed Critical Igrek Makina Sanayi Ve Ticaret Anonim Sirketi
Publication of WO2023128978A1 publication Critical patent/WO2023128978A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12—Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
    • B23Q11/128—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling frame parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015—Frames, beds, pillars

Definitions

  • the invention relates to the processing machine that is manufactured by casting and comprises at least one first part and at least one second part which are movable relative to each other, for use in the machining of the workpiece.
  • Machine tools are machinery that is used in general in forming or processing metal or other solid materials. Generally, they are used to cut, process, or join materials. Generally, machine tools can be mechanical for workshops, or computer numerically controlled (CNC) for industrial production.
  • CNC computer numerically controlled
  • the workpiece is formed by chip removal in machine tools. Processing is performed with a cutting tool contacting the workpiece. It is desired that the workpieces processed in machine tools have the right size with high precision. Therefore, even small margins of error that may occur during processing cause incorrect processing of the workpiece.
  • the present invention relates to the processing machine to eliminate the above-mentioned disadvantages and bring new advantages to the related technical field.
  • An object of the invention is to realize the processing machine having parts with partially reduced expansion.
  • Another object of the invention is to realize the processing machine with improved cooling of its parts heated due to friction.
  • Another object of the invention is to realize a manufacturing method of the processing machine with improved cooling of its parts heated due to friction.
  • the present invention is the processing machine that is manufactured by casting and comprises at least one first part and at least one second part which are movable relative to each other, for use in the machining of the workpiece. Accordingly, its novelty is that it comprises at least one passage channel provided within the body of at least one of the first part and the second part for at least partially absorbing the heat generated due to friction in at least one movement slide located between said first part and said second part and allowing a cooling, heating or lubricating fluid to be passed through it, and that at least one passage pipe is positioned around the said passage channel to form the same by casting.
  • the first part and the second part can be formed as one piece with passage channels.
  • a possible embodiment of the invention is characterized in that the said passage channel is provided both on the side of the movement slide facing the first part and the side facing the second part.
  • the cooling properties of the processing machine are improved.
  • Another possible embodiment of the invention is characterized in that the passage channel is positioned perpendicular to the extension direction of the movement slide.
  • the passage channel can be formed without deflection.
  • passage channel is provided in multiple numbers and they are connected using at least one connector.
  • the passage channels can be supplied by a single pump.
  • passage channels comprise a threaded structure in at least a portion thereof for connection with the connector.
  • the passage channels can be connected.
  • processing machine is a vertical processing center.
  • Another possible embodiment of the invention is characterized in that the second part is a bridge and the first part is the leg of the bridge.
  • the main structure of the processing machine is formed.
  • FIG. 1 A representative perspective view of the processing machine according to the invention is given in Figure 1 .
  • FIG. 1 A representative perspective view of the first part of the processing machine according to the invention is given in Figure 2.
  • FIG. 5 A representative side view of the second part of the processing machine according to the invention is given in Figure 5.
  • the processing machine (10) according to the invention can be a device configured to form the workpiece.
  • the processing machine (10) may be CNC- controlled to process the workpiece.
  • the said processing machine (10) in the invention is mainly used in processing large-sized elements such as airfoils, motor blocks, various transmission arms, etc.
  • the processing machine (10) is preferably a vertical processing center. Thus, it allows the workpiece to be processed from various aspects by acting as a milling machine.
  • the processing machine (10) comprises a processing area allowing the workpiece to be positioned.
  • the workpiece placed in the said processing area is processed by chip removal.
  • the processing machine (10) according to the invention is not limited to this embodiment and can be a different machining machine, a laser cutting machine, or an erosion cutting machine in alternative embodiments.
  • the processing machine comprises at least one first part (11) and at least one second part (12).
  • first part (11) of the processing machine (10) is essentially the leg of the processing machine.
  • the first part (11) is positioned substantially perpendicular to the ground.
  • the first part (11 ) is provided in substantially two in the processing machine
  • the numbers of the first part (11) and the second part (12) can differ depending on the design in other possible embodiments of the invention.
  • the main structure of the processing machine (10) is obtained by positioning the second part (12) on the first part (11).
  • FIG. 4 A representative perspective view of the second part (12) of the processing machine (10) according to the invention is given in Figures 4 and 5. Accordingly, the second part (12) is essentially the bridge of the processing machine. The second part (12) is positioned substantially parallel to the ground with being adjacent to the first part (11 ) from above. At least one cutting tool is positioned on the second part (12). The said cutting tool is used for machining the workpiece by chip removal.
  • At least one movement slide (13) is positioned between the first part (11) and the second part (12) in the processing machine (10). Said movement slide (13) allows to reduce the friction that occurred while moving the first part (11) and the second part (12) relative to each other. Therefore, the movement slide (13) allows movement by friction between the surfaces provided as being complementary to each other. Therefore, the movement slides (13) can be provided between the portions of the first part (11) and the second part (12) that contact with each other. Thus, the second part (12) can be moved linearly with respect to the first part
  • passage channel (20) on at least one of the first part (11) and the second part (12) in the processing machine (10).
  • Said passage channel is configured to allow transferring a cooling, heating, or lubricating fluid.
  • the passage channel (20) is provided on the body (14) of at least one of the first part (11 ) and the second part (12), on the side facing the movement slide (13).
  • the movement slide (13) allows the fluid to be passed through it for at least partially absorbing or releasing the heat that may be generated due to the movement around it.
  • passage channels (20) are provided both in the first part (11) and the second part (12).
  • heat absorption can be performed both on the first part (11) and the second part (12) in the processing machine (10).
  • the passage channel (20) is positioned substantially perpendicular to the extension direction (I) of the movement slide (13) on the first part (11) and the second part (12), and in multiple numbers. Thus, the contact area is increased in the thermal regulation of the movement slide (13).
  • Passage channels (20) positioned side by side on the body (14) can be connected using connectors. Thus, all passage channels (20) can be controlled from a single center by a single pump. Therefore, the passage channels (20) are preferably cylindrical, and at least a portion thereof can be manufactured in a threaded structure for connection with the connector.
  • the passage channel (20) can be manufactured on the bodies (14) of the first part (11) and the second part (12) by casting method. Therefore, at least one of the first part (11) and the second part (12) is manufactured by the sand casting method. In this manufacture, at least one passage pipe (21) is used on the body (14) such that the passage channels (20) are not filled by the liquid melts and are formed. Said passage pipe (21 ) is substantially positioned around the passage channel (20). The passage pipe (21) is provided on the body (14) along all the portions of the passage pipe (21). The passage pipe (21) is manufactured in such a thickness that melting and deformation thereof caused by the liquid melt during casting are prevented.
  • the inside of the passage pipe (21) can be filled with a predetermined component to prevent thermal deformation before casting.
  • thermal deformation of the passage pipe (21) during casting is prevented.
  • the passage pipe (21) can be placed at predetermined positions on the die before sand casting. There might be protrusions that increase the surface contact area around the passage pipe (21 ) to maintain the position thereof during casting. Thus, both the deformation of the passage pipe (21) can be prevented and it can be kept fixed at the calculated position thereof during casting.
  • passage channels (20) With all this configuration, it is ensured that the heat generated during the movement of a leg-shaped first part (11) and a bridge-shaped second part (12) relative to each other in the processing machines (10) is absorbed, is heated if required, and the lubricant is transferred via passage channels (20) if required.
  • the passage channels (20) being able to be manufactured during casting, additional processing steps can be eliminated and heat transfer can be improved.
  • To manufacture the passage channels (20) by casting there is at least one passage pipe (21) around them.
  • the passage channels (20) can be manufactured in one piece by casting.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention relates to the processing machine (10) that is manufactured by casting and comprises at least one first part (11) and at least one second part (12) which are movable relative to each other, for use in the machining of the workpiece. The novelty of the invention is that it is characterized in that it comprises at least one passage channel (20) provided within the body (14) of at least one of the first part (11) and the second part (12) for at least partially absorbing the heat generated due to friction in at least one movement slide (13) located between said first part (11) and said second part (12) and allowing a cooling, heating, or lubricating fluid to be passed through it, and in that, at least one passage pipe (21) is positioned around the said passage channel (20) to form the same by casting.

Description

A PROCESSING MACHINE HAVING PARTS WITH PARTIALLY REDUCED EXPANSION
TECHNICAL FIELD
The invention relates to the processing machine that is manufactured by casting and comprises at least one first part and at least one second part which are movable relative to each other, for use in the machining of the workpiece.
PRIOR ART
Machine tools are machinery that is used in general in forming or processing metal or other solid materials. Generally, they are used to cut, process, or join materials. Generally, machine tools can be mechanical for workshops, or computer numerically controlled (CNC) for industrial production.
The workpiece is formed by chip removal in machine tools. Processing is performed with a cutting tool contacting the workpiece. It is desired that the workpieces processed in machine tools have the right size with high precision. Therefore, even small margins of error that may occur during processing cause incorrect processing of the workpiece.
Friction between the moving components during the continuous operation of the machine tool, components such as motors and pumps cause heat generation. This released heat affects the positioning accuracy by causing the various components of the machine tool to expand. This expansion prevents the workpiece from being processed by the machine tool with the desired accuracy. During this processing, the cutting tool processing the workpiece may not be in the desired positions in theory and practice. Therefore, the desired accuracy is not achieved and incorrect processing can be performed.
As a result, all of the above-mentioned problems have made it necessary to make an innovation in the related technical field.
BRIEF DESCRIPTION OF THE INVENTION
The present invention relates to the processing machine to eliminate the above-mentioned disadvantages and bring new advantages to the related technical field. An object of the invention is to realize the processing machine having parts with partially reduced expansion.
Another object of the invention is to realize the processing machine with improved cooling of its parts heated due to friction.
Another object of the invention is to realize a manufacturing method of the processing machine with improved cooling of its parts heated due to friction.
To achieve all the objects that are mentioned above and will emerge from the detailed description below, the present invention is the processing machine that is manufactured by casting and comprises at least one first part and at least one second part which are movable relative to each other, for use in the machining of the workpiece. Accordingly, its novelty is that it comprises at least one passage channel provided within the body of at least one of the first part and the second part for at least partially absorbing the heat generated due to friction in at least one movement slide located between said first part and said second part and allowing a cooling, heating or lubricating fluid to be passed through it, and that at least one passage pipe is positioned around the said passage channel to form the same by casting. Thus, the first part and the second part can be formed as one piece with passage channels.
A possible embodiment of the invention is characterized in that the said passage channel is provided both on the side of the movement slide facing the first part and the side facing the second part. Thus, the cooling properties of the processing machine are improved.
Another possible embodiment of the invention is characterized in that the passage channel is positioned perpendicular to the extension direction of the movement slide. Thus, the passage channel can be formed without deflection.
Another possible embodiment of the invention is characterized in that the passage channel is provided in multiple numbers and they are connected using at least one connector. Thus, the passage channels can be supplied by a single pump.
Another possible embodiment of the invention is characterized in that the passage channels comprise a threaded structure in at least a portion thereof for connection with the connector. Thus, the passage channels can be connected. Another possible embodiment of the invention is characterized in that the processing machine is a vertical processing center. Thus, expansion of the workpiece can be prevented while being processed in the vertical processing center.
Another possible embodiment of the invention is characterized in that the second part is a bridge and the first part is the leg of the bridge. Thus, the main structure of the processing machine is formed.
BRIEF DESCRIPTION OF THE FIGURES
A representative perspective view of the processing machine according to the invention is given in Figure 1 .
A representative perspective view of the first part of the processing machine according to the invention is given in Figure 2.
A representative side view of the first part of the processing machine according to the invention is given in Figure 3.
A representative perspective view of the second part of the processing machine according to the invention is given in Figure 4.
A representative side view of the second part of the processing machine according to the invention is given in Figure 5.
DETAILED DESCRIPTION OF THE INVENTION
In this detailed description, the subject matter of the invention is only explained by way of examples that will not have any limiting effect on understanding the subject matter better.
A representative perspective view of the processing machine (10) according to the invention is given in Figure 1. Accordingly, the processing machine (10) according to the invention can be a device configured to form the workpiece. The processing machine (10) may be CNC- controlled to process the workpiece. Thus, it can form the workpiece in predetermined shapes. The said processing machine (10) in the invention is mainly used in processing large-sized elements such as airfoils, motor blocks, various transmission arms, etc. The processing machine (10) is preferably a vertical processing center. Thus, it allows the workpiece to be processed from various aspects by acting as a milling machine. The processing machine (10) comprises a processing area allowing the workpiece to be positioned. The workpiece placed in the said processing area is processed by chip removal. The processing machine (10) according to the invention is not limited to this embodiment and can be a different machining machine, a laser cutting machine, or an erosion cutting machine in alternative embodiments. The processing machine comprises at least one first part (11) and at least one second part (12).
Representative side views of the first part (11) of the processing machine (10) according to the invention are given in Figures 2 and 3. Accordingly, the said first part (11 ) is essentially the leg of the processing machine. The first part (11) is positioned substantially perpendicular to the ground. The first part (11 ) is provided in substantially two in the processing machine
(10). The numbers of the first part (11) and the second part (12) can differ depending on the design in other possible embodiments of the invention. Thus, the main structure of the processing machine (10) is obtained by positioning the second part (12) on the first part (11).
A representative perspective view of the second part (12) of the processing machine (10) according to the invention is given in Figures 4 and 5. Accordingly, the second part (12) is essentially the bridge of the processing machine. The second part (12) is positioned substantially parallel to the ground with being adjacent to the first part (11 ) from above. At least one cutting tool is positioned on the second part (12). The said cutting tool is used for machining the workpiece by chip removal.
At least one movement slide (13) is positioned between the first part (11) and the second part (12) in the processing machine (10). Said movement slide (13) allows to reduce the friction that occurred while moving the first part (11) and the second part (12) relative to each other. Therefore, the movement slide (13) allows movement by friction between the surfaces provided as being complementary to each other. Therefore, the movement slides (13) can be provided between the portions of the first part (11) and the second part (12) that contact with each other. Thus, the second part (12) can be moved linearly with respect to the first part
(11 ).
There is at least one passage channel (20) on at least one of the first part (11) and the second part (12) in the processing machine (10). Said passage channel is configured to allow transferring a cooling, heating, or lubricating fluid. The passage channel (20) is provided on the body (14) of at least one of the first part (11 ) and the second part (12), on the side facing the movement slide (13). Thus, the movement slide (13) allows the fluid to be passed through it for at least partially absorbing or releasing the heat that may be generated due to the movement around it. Preferably, passage channels (20) are provided both in the first part (11) and the second part (12). Thus, heat absorption can be performed both on the first part (11) and the second part (12) in the processing machine (10). Thus, the thermal balance of the processing machine (10) is improved. The passage channel (20) is positioned substantially perpendicular to the extension direction (I) of the movement slide (13) on the first part (11) and the second part (12), and in multiple numbers. Thus, the contact area is increased in the thermal regulation of the movement slide (13). Passage channels (20) positioned side by side on the body (14) can be connected using connectors. Thus, all passage channels (20) can be controlled from a single center by a single pump. Therefore, the passage channels (20) are preferably cylindrical, and at least a portion thereof can be manufactured in a threaded structure for connection with the connector.
The passage channel (20) can be manufactured on the bodies (14) of the first part (11) and the second part (12) by casting method. Therefore, at least one of the first part (11) and the second part (12) is manufactured by the sand casting method. In this manufacture, at least one passage pipe (21) is used on the body (14) such that the passage channels (20) are not filled by the liquid melts and are formed. Said passage pipe (21 ) is substantially positioned around the passage channel (20). The passage pipe (21) is provided on the body (14) along all the portions of the passage pipe (21). The passage pipe (21) is manufactured in such a thickness that melting and deformation thereof caused by the liquid melt during casting are prevented. In a possible embodiment of the invention, the inside of the passage pipe (21) can be filled with a predetermined component to prevent thermal deformation before casting. Thus, thermal deformation of the passage pipe (21) during casting is prevented. The passage pipe (21) can be placed at predetermined positions on the die before sand casting. There might be protrusions that increase the surface contact area around the passage pipe (21 ) to maintain the position thereof during casting. Thus, both the deformation of the passage pipe (21) can be prevented and it can be kept fixed at the calculated position thereof during casting.
With all this configuration, it is ensured that the heat generated during the movement of a leg-shaped first part (11) and a bridge-shaped second part (12) relative to each other in the processing machines (10) is absorbed, is heated if required, and the lubricant is transferred via passage channels (20) if required. With the passage channels (20) being able to be manufactured during casting, additional processing steps can be eliminated and heat transfer can be improved. To manufacture the passage channels (20) by casting there is at least one passage pipe (21) around them. Thus, the passage channels (20) can be manufactured in one piece by casting.
The scope of protection of the invention is defined in the attached claims and cannot be limited in any way to what is described in this detailed description for exemplary purposes. It is obvious that a person skilled in the art can provide similar embodiments in the light of what has been described above without departing from the main theme of the invention.
REFERENCE NUMBERS GIVEN IN THE FIGURES
10 Processing Machine
11 First Part 12 Second Part
13 Movement Slide
14 Body
20 Passage Channel 21 Passage Pipe
(I) Extension Direction

Claims

CLAIMS The invention is the processing machine (10) that is manufactured by casting and comprises at least one first part (11) and at least one second part (12) which are movable relative to each other, for use in the machining of the workpiece, characterized in that; it comprises at least one passage channel (20) provided within the body (14) of at least one of the first part (11 ) and the second part (12) for at least partially absorbing the heat generated due to friction in at least one movement slide (13) located between said first part (11 ) and said second part (12) and allowing a cooling, heating, or lubricating fluid to be passed through it, and in that; at least one passage pipe (21) is positioned around the said passage channel (20) to form the same by casting. A processing machine (10) according to Claim 1 , characterized in that; the passage channel (20) is provided both on the side of the movement slide (13) facing the first part (11) and the side facing the second part (12). A processing machine (10) according to Claim 1 , characterized in that; the passage channel (20) is positioned perpendicular to the extension direction (I) of the movement slide (13). A processing machine (10) according to Claim 1 , characterized in that; the passage channel (20) is provided in multiple numbers and they are connected using at least one connector. A processing machine (10) according to Claim 4, characterized in that; the passage channels (20) comprise a threaded structure in at least a portion thereof for connection with the connector. A processing machine (10) according to Claim 1 , characterized in that; it is a vertical processing center. A processing machine (10) according to Claim 1 , characterized in that; the second part (12) is a bridge and the first part (11 ) is the leg of the bridge.
8
PCT/TR2022/050965 2021-12-29 2022-09-09 A processing machine having parts with partially reduced expansion WO2023128978A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2021/021551A TR2021021551A2 (en) 2021-12-29 2021-12-29 A MACHINING MACHINE WITH AT LEAST PARTIALLY REDUCED EXPANSION OF ITS PARTS
TR2021/021551 2021-12-29

Publications (1)

Publication Number Publication Date
WO2023128978A1 true WO2023128978A1 (en) 2023-07-06

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Application Number Title Priority Date Filing Date
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Country Link
TR (1) TR2021021551A2 (en)
WO (1) WO2023128978A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043056A (en) * 1959-05-18 1962-07-10 Cincinnati Milling Machine Co Machine tool construction to eliminate effect of expansion in members
ES2012222A6 (en) * 1989-01-13 1990-03-01 Nicolas Correa S A Automatic expansion corrector for machine tool carriage (slide) with numerical coordinate control
CN103495905A (en) * 2013-09-04 2014-01-08 沈机集团昆明机床股份有限公司 Real-time online detection and closed loop feedback compensation device of ram thermal expansion deformation errors of numerically-controlled machine tool and detection method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043056A (en) * 1959-05-18 1962-07-10 Cincinnati Milling Machine Co Machine tool construction to eliminate effect of expansion in members
ES2012222A6 (en) * 1989-01-13 1990-03-01 Nicolas Correa S A Automatic expansion corrector for machine tool carriage (slide) with numerical coordinate control
CN103495905A (en) * 2013-09-04 2014-01-08 沈机集团昆明机床股份有限公司 Real-time online detection and closed loop feedback compensation device of ram thermal expansion deformation errors of numerically-controlled machine tool and detection method thereof

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