FR2688731A1 - Rotational drive of a tool by a motor rotating at high or very high speed - Google Patents

Rotational drive of a tool by a motor rotating at high or very high speed Download PDF

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Publication number
FR2688731A1
FR2688731A1 FR9203553A FR9203553A FR2688731A1 FR 2688731 A1 FR2688731 A1 FR 2688731A1 FR 9203553 A FR9203553 A FR 9203553A FR 9203553 A FR9203553 A FR 9203553A FR 2688731 A1 FR2688731 A1 FR 2688731A1
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FR
France
Prior art keywords
tool
turbine
rotation
motor
bearings
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.)
Granted
Application number
FR9203553A
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French (fr)
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FR2688731B1 (en
Inventor
Martinez Armand
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Individual
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Individual
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Priority to FR9203553A priority Critical patent/FR2688731B1/en
Publication of FR2688731A1 publication Critical patent/FR2688731A1/en
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Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/06—Driving main working members rotary shafts, e.g. working-spindles driven essentially by fluid pressure or pneumatic power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turning (AREA)

Abstract

The invention consists in the putting into place of the concept of the expendable motor for rotationally driving a tool using a motor of the pneumatic or hydraulic turbine type or of any other type, but characterised by a high rotational speed. The invention is composed of the motor 1, in this case a vane-type pneumatic turbine, force-fitted, on the rear part of the tool 2, the said rear part receiving the guide bearings 3 and 4, the latter being held in position by the spacer piece 5 and immobilized by the ring 7 clamped onto the said part, the whole thing being mounted on the bearing body 6. The said bearings 3 and 4 simultaneously fulfil the function of guiding the turbine and guiding the tool. Such an assembly composed of a restricted number of elements, each of them being simple, reliable, inexpensive, constitutes an entity, the life of which may be limited to that of the tool.

Description

La presente invention concerne l7entrainement en rotation d'un outil par un moteur de type a turbine pneumatique ou hydraulique, ou de tout autre type mais caractérisé par une vitesse de rotation éleviez A titre d'exemple non restrictif le moteur peut être un moteur pneumatique constitué d'une roue a aubes ou d'une roue dite de Segner, outil peut être une fraise, un foret, une meule. The present invention relates to the drive in rotation of a tool by a motor of the pneumatic or hydraulic turbine type, or of any other type but characterized by a high speed of rotation. By way of non-restrictive example, the motor may be a pneumatic motor constituted a paddle wheel or a so-called Segner wheel, a tool can be a milling cutter, a drill, a grinding wheel.

L'entrainement en rotation d'un outil necessite d'une part l'existence d'un organe moteur, d'autre part la mise en oeuvre d'un moyen de transmission de l'effort moteur d l'outil tournant. The drive in rotation of a tool requires on the one hand the existence of a motor member, on the other hand the implementation of a means of transmission of the motor force of the rotating tool.

En ce qui concerne le domaine technique concerne, le problème technique réside dans les vitesses de rotation élevées, voire très elevees. La transmission de l'effort moteur â l'outil pose donc des problèmes de realisation technique tels que:
-efforts proportionnels a l'inertie des organes de
transmission et au carre de la vitesse de rotation.As far as the technical field is concerned, the technical problem lies in the high, or even very high, rotation speeds. The transmission of the motor force to the tool therefore poses technical implementation problems such as:
-efforts proportional to the inertia of the organs of
speed and speed of rotation.

-nécessité de mettre en oeuvre une transmission
dont la géometrie puisse varier par ia mobilit
relative d'un certain nombre de pinces
constitutives afin notamment de pouvoir fixer
l'outil sur la transmission.-need to implement a transmission
whose geometry can vary by mobility
relative of a number of pliers
in order to be able to fix
the tool on the transmission.

-eventuellement mise en place dans l'organe de
transmission d'un moyen de variation de vitesse.- possibly put in place in the body of
transmission of a speed variation means.

Les moyens utilises a ce jour pour la réalisation d'une tel le transmission sont essentiellement:
-de type mecanique mettant en oeure des pièces en
général usinées avec une ;Srande preoision. Cette
precision s'impose d'autan plus que la vitesse de
rotation est levee, du fait des efforts résultants
de type centrifuge dus â un défaut d'équilibrage. A
de tels regimes de rotation. le niveau de sécurité
requis implique des dispositifs parfois complexes,
mais toujours trop lourds et couteux,
d'immobilisation des pièces constitutives évoquées
ci avant et possèdant une mobilite relative. La
fiabilité des transmissions de ce type å de tels
regimes de rotation limite très fortement leur
emploi, et souvent conduit a 17abandon soit de ia
motorisation haute vitesse, soit de ce type de
transmission.The means used to date for the realization of such a transmission are essentially:
-mechanical type using parts in
general machined with a; large preoision. This
precision is needed more than the speed of
rotation is raised, due to the resulting efforts
centrifugal type due to a lack of balance. AT
such rotation schemes. security level
required involves sometimes complex devices,
but still too heavy and expensive,
of immobilization of the constituent parts mentioned
above and having relative mobility. The
reliability of transmissions of this type å such
rotation regimes very strongly limit their
employment, and often led to abandonment either from ia
high speed motorization, either of this type of
transmission.

-de type filaire. Ecartant d'emblée les courroies
ou autres equivalents de même type du fait ce
vitesse de defilement trop elevees et de rayons de
courbure minimum imposés qui conduisent a des
pieces de forte inertie de masse, il reste les
transmissions par cable anime d'un mouvement de
rotation autour de son axe neutre. Elles possedent
les avantages suivant:
-inertie de masse autour de l'axe de rotation,
très faible.-wired type. Spreading the belts straight away
or similar equivalents due to the fact that
scrolling speed too high and radii of
minimum curvature imposed which lead to
pieces of high mass inertia, there remain the
animated cable transmissions of a movement of
rotation around its neutral axis. They have
the following advantages:
-mass inertia around the axis of rotation,
very weak.

-souplesse notamment autour des axes
perpendiculaires a l'axe de rotation.- flexibility especially around the axes
perpendicular to the axis of rotation.

Cependant elles possèdent les inconvenients
suivant:
-mise en oeuvre de moyens couteux et complexes
de guidage en rotation du cabine dans une
gaine.However they have the disadvantages
following:
- implementation of expensive and complex means
guiding in rotation of the cabin in a
sheath.

-une faible rigidire en torsion qui limite
vite le domaine d'emploi en puissance du falt
d'une part du temps de réponse mécanique qui
peut devenir prohibitif et d'autre part
surtout des phenomênes oscillatoires lies à
l'effet de ressort du cable sous tension
mecanique variable en rotation.-a low torsional stiffness which limits
quickly the field of use in power of the falt
on the one hand the mechanical response time which
can become prohibitive and on the other hand
especially oscillatory phenomena linked to
the spring effect of the live cable
variable mechanical rotation.

Ainsi le domaine d'emploi de moteur tournant a haute vitesse, voire très haute vitesse, pour l'entrainement en rotation d'outils se trouve fortement limite par les diverses contraintes évoquées ci avant
L'invention consiste en la mise en piace du concept de moteur consommable pour les moteurs evoques dans le préalable exposant le domaine technique oonsidere destines 9 l'entrainement en rotation d'un outil. L'invention est constituee par un ensembie solidaire outil ~moteur et par un ensemble palier assurant le guidage en rotation et l'immobilisation en translation suivant l'axe de rotation ae l'ensemble precedent.Thus, the field of use of a motor running at high speed, or even very high speed, for driving tools in rotation is greatly limited by the various constraints mentioned above.
The invention consists in setting in place the concept of consumable motor for the motors mentioned in the preliminary setting out the technical field considered intended for driving a tool in rotation. The invention is constituted by an integral assembly tool ~ motor and by a bearing assembly ensuring the guiding in rotation and the immobilization in translation along the axis of rotation to the preceding assembly.

Constatant que:
-la fonction mecanique 9 realiser est: rendre
solidaire un outil et un axe de rotation tournant 9
haute vitesse.Noting that:
-the mechanical function 9 to realize is: to make
secured to a tool and a rotating axis of rotation 9
high speed.

-les seules inerties de masse qui sont intrinseques
a la fonction ennonsee ci avant sont celles dudit
moteur et dudit outil.-the only mass inertias which are intrinsic
to the above function are those of said
engine and said tool.

-les couts de realisation d'une telle transmission
sont directement liés au nombre de pièces
constitutives, a leur masse, å la vitesse de
rotation maximale et au niveau de securife requis.-the costs of making such a transmission
are directly related to the number of pieces
constitutive, at their mass, at the speed of
maximum rotation and at the required security level.

-ledit outil succeptible de tourner a haute vitesse
presente une symétrie de revolution d'axe confondu
avec l'axe de rotation, et qu'il presente en partie
arrière une forme cylindrique ou conique usines
avec precision.-said tool capable of turning at high speed
presents a symmetry of revolution of confused axis
with the axis of rotation, and that it presents in part
rear a cylindrical or conical shape factories
precisely.

un but de l'invention est de caler ledit moteur sur ladite partie arrière dudit outil.an object of the invention is to stall said motor on said rear part of said tool.

Constatant que ledit outil présente au niveau de ladite partie arrière une forme cylindrique ou conique usine avec precision, un but de l'invention est d'utiliser ladite partie arrière comme axe de rotation, recevant le ou les moyens de guidage en rotation et d'immobilisation en translation suivant ledit axe, de l'ensemble outil ~moteur. Noting that said tool has at said rear part a cylindrical or conical shape factory with precision, an object of the invention is to use said rear part as an axis of rotation, receiving the means or means for guiding in rotation and for immobilization in translation along said axis, of the tool ~ motor assembly.

Constatant que:
-les moyens industriels actuellement existants
permettent d'obtenir simplement des roues, de
turbine a aubes par exemple, à des couts modEress
voir très modérés pour de grandes serines. et ce
pour des puissances en rapport avec l'utilisation
dudit outil.Noting that:
-the industrial means currently existing
simply get wheels,
blade turbine for example, at moderate costs
see very moderate for large serines. And this
for powers related to use
said tool.

-la duree de vie dudit outil demeure modeste en
comparaison de celle dudit moteur repute
mecaniquement sain.-the lifetime of said tool remains modest in
comparison of that of said repute engine
mechanically healthy.

-les couts de maintenance sont proportionnels S la
vitesse de rotation et a la complexite de la chaine
de transmission.-the maintenance costs are proportional to the
rotation speed and the complexity of the chain
of transmission.

-le cout des paliers de guidage est directement lie
a leur dures de vie.- the cost of the guide bearings is directly related
to their harsh lives.

un but de l'invention est de realiser un ensemble outil ~moteur, equipe de ses paliers de guidage, simple, rustique, comportant le moins de pieces possible et dont la duree de vie est celle dudit outil. an object of the invention is to provide a tool ~ motor assembly, fitted with its guide bearings, simple, rustic, comprising as few parts as possible and whose life is that of said tool.

Dans ce qui suit la pressente invention est explicite par un exemple concret de réalisation donne 9 titre non limitatif ni restrictif, et par un dessin annexé, repéré par plane 1/1 figue 1, representant une vue en coupe axiale du dispositif. In what follows the present invention is explained by a concrete embodiment gives 9 non-limiting or restrictive title, and by an attached drawing, identified by plane 1/1 fig 1, representing an axial sectional view of the device.

L'invention est constituée d'une turbine 1, de type pneumatique, emmanches en force sur la partie arrière d'un outil cylindrique 2, pouvant être une fraise. The invention consists of a turbine 1, of pneumatic type, press fit on the rear part of a cylindrical tool 2, which can be a cutter.

Une variante possible au calage de ladite turbine sur ledit outil consiste en un montage terre de ladite turbine sur ledit outil ce dernier possédant sur ladite partie arrière un ensemble de petites arètes rectilignes orintées suivant l'axe de rotation dudit outil. 1. Une autre variante possible du calage de ladite turbine sur ledit outil est l'utilisation d'une pièce intermediairs interface d'adaptation dimensionnelle entre ladite turbine et ledit outil
Le palier de suspension de l'ensemble outil ~turbine est constitue par les roulements 3 et 4. Le roulement C vient en butes sur le moyeu de ladite turbine. Une entretoise 5 montes juste glissante sur ledit outil maintient l'écartement avec le roulement 4 de maniere å assurer le jeu fonctionnel necessaire suivant l'axe de rotation au niveau du corps de palier 8. A possible variant for stalling said turbine on said tool consists of an earth mounting of said turbine on said tool, the latter having on said rear part a set of small rectilinear edges oriented along the axis of rotation of said tool. 1. Another possible variant of the setting of said turbine on said tool is the use of an intermediate part interface of dimensional adaptation between said turbine and said tool
The suspension bearing of the tool ~ turbine assembly is constituted by bearings 3 and 4. The bearing C comes into abutments on the hub of said turbine. A spacer 5 mounted just sliding on said tool maintains the spacing with the bearing 4 so as to ensure the necessary functional clearance along the axis of rotation at the level of the bearing body 8.

Une bague 7, réalises dans une matière dont le coefficient de dilatation thermique est inférieur a celui de la matière constituant ledit outil, et montes sérrée sur iedit outil, vient immobiliser en translation suivant l'axe de rotation dudit outil, lesdits roulements 3 et 4. et ladite entretoise 5. A ring 7, made of a material whose coefficient of thermal expansion is lower than that of the material constituting said tool, and mounted tightly on said tool, comes to immobilize in translation along the axis of rotation of said tool, said bearings 3 and 4 and said spacer 5.

L'ensemble ainsi réalisé par l'assemblage de ladite turbine 1, ledit outil 2, lesdits roulements 3 et 4, ladite entretoise 5, ladite bague 7 et ledit corps de palier 6, est une entité contituse d'un petit nombre de pièces simples, peu jouteuses et de faible inertie de masse autour de l'axe de rotation, et dont la duree de vie est limitee a celle dudit outil. Une variante possible au concept de moteur consommable peut être la limitation de ce concept à l'ensemble outil ~turbine et 9 ladite bague 7, lesdits roulements 3 et 4, ledit corse de palier e. et ladite entretoise 5 pouvant équiper un autre ensemble outil~turbine apres usure du précèdent  The assembly thus produced by the assembly of said turbine 1, said tool 2, said bearings 3 and 4, said spacer 5, said ring 7 and said bearing body 6, is a contituse entity of a small number of simple parts , not very juicy and of low mass inertia around the axis of rotation, and whose lifetime is limited to that of said tool. A possible variant to the concept of consumable motor may be the limitation of this concept to the tool assembly ~ turbine and 9 said ring 7, said bearings 3 and 4, said bearing cors e. and said spacer 5 can equip another tool assembly ~ turbine after wear of the above

Claims (1)

REVENDICATIONS Revendication 1: un entrainement en rotation par une turbine 1 d'un outil tournant 2, la partie arrière dudit outil recevant les moyens de guidage constitués par les roulements 3 et 4 lesdits roulements étant maintenus écartés par une entretoise 5. et immobilises en translation par une bague 7 montée serrée sur ladite partie arrière dudit outil l'ensemble ainsi constitué étant monté sur le corps de palier et caractérise en ce que ladite turbine est solidaire de ladite partie arrière dudit outil.Claim 1: a rotary drive by a turbine 1 of a rotary tool 2, the rear part of said tool receiving the guide means constituted by the bearings 3 and 4 said bearings being kept apart by a spacer 5. and immobilized in translation by a ring 7 tightly mounted on said rear part of said tool, the assembly thus formed being mounted on the bearing body and characterized in that said turbine is integral with said rear part of said tool. Revendication 9: un entrainement en rotation d'un outil suivant la revendication 1 caractérisé en ce que ladite partis arriere dudit outil 2 recoit les éiéments de guidage constitués par lesdits roulements 3 et 4 de l'ensemble outil~turbine. Claim 9: a drive in rotation of a tool according to claim 1 characterized in that said rear portions of said tool 2 receives the guide elements formed by said bearings 3 and 4 of the tool ~ turbine assembly.
FR9203553A 1992-03-20 1992-03-20 ROTATION DRIVE OF A TOOL BY A MOTOR RUNNING AT HIGH OR VERY HIGH SPEED. Expired - Fee Related FR2688731B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9203553A FR2688731B1 (en) 1992-03-20 1992-03-20 ROTATION DRIVE OF A TOOL BY A MOTOR RUNNING AT HIGH OR VERY HIGH SPEED.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9203553A FR2688731B1 (en) 1992-03-20 1992-03-20 ROTATION DRIVE OF A TOOL BY A MOTOR RUNNING AT HIGH OR VERY HIGH SPEED.

Publications (2)

Publication Number Publication Date
FR2688731A1 true FR2688731A1 (en) 1993-09-24
FR2688731B1 FR2688731B1 (en) 1996-05-15

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001036151A1 (en) * 1999-11-17 2001-05-25 Fabio Perini S.P.A. Sharpening device for rotating cutting tools and machine employing said device
FR2802971A1 (en) 1999-12-23 2001-06-29 Axxair Pneumatic motor for tool drive has housing to receive turbine and with air feed regulation valve and coaxial coupling to turbine housing
WO2007106027A1 (en) * 2006-03-10 2007-09-20 Lind Finance & Development Ab A tool with a divided driving shaft
WO2007106028A1 (en) * 2006-03-10 2007-09-20 Lind Finance & Development Ab An electric motor driven tool
WO2007106029A1 (en) * 2006-03-10 2007-09-20 Lind Finance & Development Ab A turbine-driven tool
WO2011001421A1 (en) * 2009-06-28 2011-01-06 Colibri Spindles Ltd. Turbine driven rotary cutting tool
US9333611B2 (en) 2013-09-13 2016-05-10 Colibri Spindles, Ltd. Fluid powered spindle
US10207379B2 (en) 2016-01-21 2019-02-19 Colibri Spindles Ltd. Live tool collar having wireless sensor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB552818A (en) * 1941-11-21 1943-04-27 Aero Pipe & Glass Company Ltd Improvements in or relating to drilling, milling, screwing, tapping, and like machines having a rotary tool adapted to be moved to and from the work
GB2105413A (en) * 1981-09-01 1983-03-23 Black & Decker Inc Turbine-driven sander housing having a noise reduction system
WO1983003119A1 (en) * 1982-03-08 1983-09-15 Flink, Claes, Henrik Pressure medium driven machine tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB552818A (en) * 1941-11-21 1943-04-27 Aero Pipe & Glass Company Ltd Improvements in or relating to drilling, milling, screwing, tapping, and like machines having a rotary tool adapted to be moved to and from the work
GB2105413A (en) * 1981-09-01 1983-03-23 Black & Decker Inc Turbine-driven sander housing having a noise reduction system
WO1983003119A1 (en) * 1982-03-08 1983-09-15 Flink, Claes, Henrik Pressure medium driven machine tool

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001036151A1 (en) * 1999-11-17 2001-05-25 Fabio Perini S.P.A. Sharpening device for rotating cutting tools and machine employing said device
US6786808B1 (en) 1999-11-17 2004-09-07 Fabio Perini S.P.A. Sharpening device for rotating cutting tools and machine employing said device
FR2802971A1 (en) 1999-12-23 2001-06-29 Axxair Pneumatic motor for tool drive has housing to receive turbine and with air feed regulation valve and coaxial coupling to turbine housing
WO2007106027A1 (en) * 2006-03-10 2007-09-20 Lind Finance & Development Ab A tool with a divided driving shaft
WO2007106028A1 (en) * 2006-03-10 2007-09-20 Lind Finance & Development Ab An electric motor driven tool
WO2007106029A1 (en) * 2006-03-10 2007-09-20 Lind Finance & Development Ab A turbine-driven tool
WO2011001421A1 (en) * 2009-06-28 2011-01-06 Colibri Spindles Ltd. Turbine driven rotary cutting tool
US9333611B2 (en) 2013-09-13 2016-05-10 Colibri Spindles, Ltd. Fluid powered spindle
US10207378B2 (en) 2013-09-13 2019-02-19 Colibri Spindles Ltd. Fluid powered spindle
US10207379B2 (en) 2016-01-21 2019-02-19 Colibri Spindles Ltd. Live tool collar having wireless sensor

Also Published As

Publication number Publication date
FR2688731B1 (en) 1996-05-15

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