US3148003A - Slideway protection system in machine tools and the like - Google Patents

Slideway protection system in machine tools and the like Download PDF

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Publication number
US3148003A
US3148003A US128281A US12828161A US3148003A US 3148003 A US3148003 A US 3148003A US 128281 A US128281 A US 128281A US 12828161 A US12828161 A US 12828161A US 3148003 A US3148003 A US 3148003A
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US
United States
Prior art keywords
slideways
machine
slideway
air
standard
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Expired - Lifetime
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US128281A
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English (en)
Inventor
Deflandre Rene
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DITE DEREFA POUR LE DEVELOPPEMENT RECHERCHES ET FABRICATIONS INDUSTRIELLES Ets Ste
DEREFA ETS
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DEREFA ETS
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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
    • B23Q11/08—Protective coverings for parts of machine tools; Splash guards
    • B23Q11/0825—Relatively slidable coverings, e.g. telescopic
    • 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
    • B23Q11/0042—Devices for removing chips
    • B23Q11/005—Devices for removing chips by blowing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/08—Arrangements for covering or protecting the ways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • Such protecting means may comprise collapsible casings such as accordion-pleated bellows made of suitable plastic of leather, or telescopically interfitted metallic elements, in order to maintain an enclosure around the length of the slideways regardless of the relative position between the slidable components.
  • a broad object is to improve the surface condition of slideways and thus preserve high accuracy in machining operations and machine performance generally over prolonged periods of time.
  • the invention essentially contemplates means for permanently injecting gas, e.g. air, under superatmospheric pressure into an enclosure, such as a collapsible cover or casing of any of the aforementioned types, surrounding the slideway.
  • gas e.g. air
  • FIGURE 1 is a side elevational view, with parts broken away, of a milling and boring machine to which the invention is applied;
  • FIGURE 2 is a section on line II-II of FIGURE 1;
  • FIGURE 3 is a corresponding plan view with the standard of the machine shown in section on line III-III of FIGURE 1;
  • FIGURE 4 is a larger scale view of a detail
  • FIGURE 5 is a partial view along the line 22 of FIGURE 1 and shows the blower intake line provided with an air filter instead of an elevated intake conduit as in FIGURES 1 and 2.
  • the milling and boring machine illustrated is of a conventional type including an elongated horizontal bed or bench 2, a standard 1 upstanding from and movable longitudinally of the bed on the longitudinal slideways 5, 6 and 7; a slide 4 displaceable vertically along the standard 1 on vertical ways 41, 42 and 43; and a milling and boring head 3 displaceable along the slide 4 on horizontal ways normal to the slideways 5, 6 and 7.
  • Collapsible protection means are provided for enclosing the slideways 5, 6, 7 of the bench, and include two sets of telescopically interfitted elements respectively designated 11a and 11b.
  • the set of elements 11a extend from one end of the bench 2 to one side of standard 1 and the set of elements 11b extend from the other end of bench 2 to the other side of standard 1.
  • Each set comprises a number of, e.g. seven, channel shaped sheet metal elements such as 12, 13, 14 15, having flanged sides slidably engaging side flanges 5 and 7 of the bench 2 and telescopically engaging one another; antifriction means may if desired be provided between the adjacent elements and between each element and the bench.
  • FIGURE 1 shows the standard 1 positioned ator near its endmost right hand position, and accordingly the left hand set of cover elements 11a is completely expanded while the other set 11b is retracted or collapsed. It will be obvious that abrasive particles and the like are able to penetrate the casing structures 11a and 11b through gaps and interstices such as the gaps 21, 22, 23 between the adjacent channel elements and the gaps such as 24, 25 between the channel elements and the bench 2.
  • air under superatmospheric pressure is discharged into the enclosures defined by the cover sections 11a and 11b around the bench slideways.
  • a plurality of vertical longitudinally spaced air ducts 27 are provided within the bench 2 with their upper ends fitted with nozzles 28 opening upwards into apertures formed in the upper surfaces of the bench as clearly shown in FIGURE 3.
  • Each air nozzle 28 has a butterfly valve 29 pivoted in it for adjusting the flow of airthrough it.
  • All the air ducts 27 have their lower ends connecting with a manifold 31 extending along the base of the bench 2 and connected with the output line 32 of a blower 33 having a rising intake pipe 35 opening at its upper end at a substantial elevation so as to draw in air from a region of the atmosphere in the workshop that is substantially free from floating metal particles, or from the outer atmosphere.
  • a cover 36 over pipe 35 prevents entry of rain.
  • a blower 33a delivering into a manifold 31a with which connect the spaced vertical air ducts 270, all these parts corresponding to the correspondingly numbered parts earlier described.
  • the veritcal slideways 41, 42, 43 formed on a side of standard 1 are similarly provided with the improved protection means.
  • the collapsible cover in this case is provided as an accordion-type casing of flexible material in two sections, an upper section 44:: extending from the top of the slide 4 to a point near the top of standard 1, and a lower section 44b extending from the bottom of slide 4 to a point near the base of standard 1.
  • each casing section in this instance is substantially continuous, still there are interstices such as 47, 48 (FIGURE 3) between the sides of the casing and the standard which it is impossible to seal; abrasive metal particles are therefore liable to penetrate into the casing and damage the surfaces of slidea ways 41, 42, 43.
  • a blower 51 is mounted near the top of standard 1 beneath a hood 52 formed with louvring 53 for the intake of air.
  • the outlet pipe 54 of the blower is connected with a vertical manifold 55 extending down the standard and having one or preferably more air ducts 56 extending from a side of it and fitted with end nozzles 57 opening centrally of the side surface of the standard 1 in which the slideways 41, 42, 43 are formed.
  • Each nozzle 57 has a pivoted airflow adjusting valve 58 in it.
  • a common blower may be used for both collapsible casing sections associated with each slideway direction, or indeed a single blower may be used for all the slideways.
  • air filter or strainer means 35' may be provided for cleaning the air delivered by the blower or blowers into the casings, instead of or in addition to using elevated intake pipes such as 35.
  • the covers or casings surrounding the slideways may be constructed otherwise than shown.
  • the air nozzles may vary in number, position and construction. The invention is, of course, applicable to any type of machine, especially though not necessarily machine-tools, having relatively slidable machine components.
  • a machine tool having a first component with slideway means formed on a surface thereof and a second component with complementary slideway means formed on a surface thereof for sliding displacement of the second relatively to the first component, the provision of extensible and retractible cover means attached to said components so as to define an imperfectly sealed enclosure adjacent said surfaces on each side of said second component, duct means formed in one of said components and opening into each of said enclosures, and air blower means connected with said duct means for maintaining superatmospheric pressure in each of said enclosures.
  • a machine-tool comprising a horizontal elongated bed; slideways formed on the upper surface of the bed; a standard having complementary slideways formed on the bottom surface thereof for sliding displacement of the standard along the bed; a pair of first extensible and retractible cover assemblies each having one end attached to an end of the bed and an opposite end attached to a respective side of the standard and having sides engaging sides of the bed whereby to provide a pair of enclosures with the upper bed surface, said enclosures being imperfectly sealed; a plurality of vertical air ducts Within said bed spaced longitudinally thereof and opening at spaced points of said upper bed surface; manifold means extending longitudinally of said bed and connected with lower ends of said ducts; and blower means connected with said manifold means for maintaining superatmospheric pressure in each of said enclosures and preventing the ingress of foreign particles into said enclosures.
  • an elongated support having provided on a surface thereof a plurality of longitudinally extending slideways, work or tool supporting means mounted for slidable movement on said slideways, a pair of extensible and retractable cover assemblies for protecting said slideways against metal cuttings from said machine tool and each having one end attached to said elongated support at a point beyond one end of the range of movement of said work supporting means on said slideways and having its other end attached to a respective side of said work supporting means, so that regardless of the position of said Work supporting means on said slideways, the latter will be completely protected against metal cutting by said cover assemblies and said work supporting means, said cover assemblies forming with said support surface a pair of extensible and retractable chambers separated by said work supporting means and containing the portions of said slideways beyond each side of said work supporting means, said cover assemblies being incapable of perfectly sealing said chambers and leaving gaps through which abrasive particles may pass from the ambient atmosphere into said chambers and onto said slideways, a plurality of air passages
  • each of said passageways is provided with a nozzle having associated therewith a valve for adjusting the flow rate of the air discharging through such nozzle into the associated chamber.
  • said air feeding means comprises a blower arranged to supply air to said passages, and means protecting the intake of said blower against the entry therein of abrasive materials from the ambient atmosphere.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
US128281A 1960-05-27 1961-05-16 Slideway protection system in machine tools and the like Expired - Lifetime US3148003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828333A FR1267192A (fr) 1960-05-27 1960-05-27 Perfectionnement aux dispositifs de protection des glissières de machines-outils

Publications (1)

Publication Number Publication Date
US3148003A true US3148003A (en) 1964-09-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
US128281A Expired - Lifetime US3148003A (en) 1960-05-27 1961-05-16 Slideway protection system in machine tools and the like

Country Status (5)

Country Link
US (1) US3148003A (fr)
CH (1) CH368980A (fr)
DE (1) DE1207765B (fr)
FR (1) FR1267192A (fr)
GB (1) GB923618A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600989A (en) * 1969-06-24 1971-08-24 Jury Stepanovich Valkov Metal-cutting machine
US4680868A (en) * 1986-07-07 1987-07-21 The Warner & Swasey Company Coordinate measuring machine with covers
US20120073766A1 (en) * 2010-09-28 2012-03-29 Hon Hai Precision Industry Co., Ltd. Retractable shielding apparatus
WO2012167956A1 (fr) * 2011-06-06 2012-12-13 Trumpf Laser- Und Systemtechnik Gmbh Élément de recouvrement pour parties d'une machine d'usinage
EP3103583A1 (fr) * 2015-06-08 2016-12-14 Moroff und Baierl Gmbh Dispositif pour usinage de pièces par enlèvement de copeaux

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403947A (en) * 1966-10-12 1968-10-01 Gen Motors Corp Machine way guards
FR2564357B1 (fr) * 1984-05-17 1988-08-05 Berthiez Saint Etienne Dispositif d'equilibrage d'organes et machines-outils ayant un deplacement vertical

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB316469A (en) * 1928-09-27 1929-08-01 Arthur Edward Ingham Improvements relating to machine tools for metal cutting operations
US2340022A (en) * 1940-08-15 1944-01-25 Read Machinery Co Inc Shaft seal
US2375408A (en) * 1942-11-21 1945-05-08 Giddings & Lewis Machine tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1050148B (fr) 1959-02-05
DE1122346B (de) 1958-11-18 1962-01-18 Mikromat Dresden Betrieb Abdeckung zum Schutz von Fuehrungsbahnen von Werkzeugmaschinen od. dgl.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB316469A (en) * 1928-09-27 1929-08-01 Arthur Edward Ingham Improvements relating to machine tools for metal cutting operations
US2340022A (en) * 1940-08-15 1944-01-25 Read Machinery Co Inc Shaft seal
US2375408A (en) * 1942-11-21 1945-05-08 Giddings & Lewis Machine tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600989A (en) * 1969-06-24 1971-08-24 Jury Stepanovich Valkov Metal-cutting machine
US4680868A (en) * 1986-07-07 1987-07-21 The Warner & Swasey Company Coordinate measuring machine with covers
US20120073766A1 (en) * 2010-09-28 2012-03-29 Hon Hai Precision Industry Co., Ltd. Retractable shielding apparatus
US8353325B2 (en) * 2010-09-28 2013-01-15 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Retractable shielding apparatus
WO2012167956A1 (fr) * 2011-06-06 2012-12-13 Trumpf Laser- Und Systemtechnik Gmbh Élément de recouvrement pour parties d'une machine d'usinage
EP3103583A1 (fr) * 2015-06-08 2016-12-14 Moroff und Baierl Gmbh Dispositif pour usinage de pièces par enlèvement de copeaux

Also Published As

Publication number Publication date
FR1267192A (fr) 1961-07-21
DE1207765B (de) 1965-12-23
CH368980A (fr) 1963-04-30
GB923618A (en) 1963-04-18

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