FR2392874A1 - Numerically controlled machine tool screwed spindle - has one axial end bearing in sliding component separating two hydraulic chambers - Google Patents

Numerically controlled machine tool screwed spindle - has one axial end bearing in sliding component separating two hydraulic chambers

Info

Publication number
FR2392874A1
FR2392874A1 FR7718324A FR7718324A FR2392874A1 FR 2392874 A1 FR2392874 A1 FR 2392874A1 FR 7718324 A FR7718324 A FR 7718324A FR 7718324 A FR7718324 A FR 7718324A FR 2392874 A1 FR2392874 A1 FR 2392874A1
Authority
FR
France
Prior art keywords
sliding component
machine tool
axial end
end bearing
numerically controlled
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7718324A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PAINI MORINI AMADORI SpA
Original Assignee
PAINI MORINI AMADORI SpA
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 PAINI MORINI AMADORI SpA filed Critical PAINI MORINI AMADORI SpA
Publication of FR2392874A1 publication Critical patent/FR2392874A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • B23Q5/404—Screw bearings therefor
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/545—Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Machine Tool Units (AREA)
FR7718324A 1976-06-16 1977-06-15 Numerically controlled machine tool screwed spindle - has one axial end bearing in sliding component separating two hydraulic chambers Withdrawn FR2392874A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24386/76A IT1061899B (it) 1976-06-16 1976-06-16 Supporto speciale per viti atto ad essere impiegato nelle macchine

Publications (1)

Publication Number Publication Date
FR2392874A1 true FR2392874A1 (en) 1978-12-29

Family

ID=11213336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7718324A Withdrawn FR2392874A1 (en) 1976-06-16 1977-06-15 Numerically controlled machine tool screwed spindle - has one axial end bearing in sliding component separating two hydraulic chambers

Country Status (3)

Country Link
DE (1) DE2700173C3 (de)
FR (1) FR2392874A1 (de)
IT (1) IT1061899B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD147073A1 (de) * 1979-10-26 1981-03-18 Volker Thomas Vorrichtung zum ausgleich der laengsdehnung von gewindespindeln
JPH0265940A (ja) * 1988-08-31 1990-03-06 Okuma Mach Works Ltd 送りねじの支持構造
DE3928457A1 (de) * 1989-08-29 1991-03-14 Fortuna Werke Maschf Ag Anordnung zum axialen lagern einer welle, insbesondere einer spindelwelle einer spindel

Also Published As

Publication number Publication date
DE2700173C3 (de) 1978-12-21
DE2700173B2 (de) 1978-05-03
IT1061899B (it) 1983-04-30
DE2700173A1 (de) 1977-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse