DE29913762U1 - PTFE coating for the production of a hydraulic cylinder - Google Patents

PTFE coating for the production of a hydraulic cylinder

Info

Publication number
DE29913762U1
DE29913762U1 DE29913762U DE29913762U DE29913762U1 DE 29913762 U1 DE29913762 U1 DE 29913762U1 DE 29913762 U DE29913762 U DE 29913762U DE 29913762 U DE29913762 U DE 29913762U DE 29913762 U1 DE29913762 U1 DE 29913762U1
Authority
DE
Germany
Prior art keywords
cylinder
cylinder according
powder
crosslinking
carried out
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.)
Expired - Lifetime
Application number
DE29913762U
Other languages
German (de)
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.)
IBS INGENIEURBERATUNG SCHLUTZ
Original Assignee
IBS INGENIEURBERATUNG SCHLUTZ
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 IBS INGENIEURBERATUNG SCHLUTZ filed Critical IBS INGENIEURBERATUNG SCHLUTZ
Priority to DE29913762U priority Critical patent/DE29913762U1/en
Publication of DE29913762U1 publication Critical patent/DE29913762U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1447Pistons; Piston to piston rod assemblies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1428Cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1457Piston rods

Landscapes

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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Hydraulisch beaufschlagbarer Zylinder mit mindestens einer Zylinderinnenfläche und mindestens einem in der Zylinderinnenfläche angeordneten Kolben mit Kolbenstange oder Kolbenrohr oder einem Innenzylinder als relativbewegliches Innenteil mit einer zylindrischen Außenoberfläche, wobei gegen die Oberflächen (1, 2), die allseitig mit Kunststoff beschichtet sind, im Kolben und in der Zylinderabdichtung jeweils mindestens ein Dichtring (3, 4) und mindestens ein Führungsring (5, 6) angelegt wird dadurch gekennzeichnet, daß als Beschichtungsmaterial ein dreidimensionaler vernetzbarer, temperaturbeständiger Thermoplast in Pulverform mit einer Schichtdicke von 20 µm bis 250 µm, enthaltend weitere Komponenten, von denen mindestens eine mitvernetzende oder nicht mitvernetzende Komponente zur Verbesserung der Schichtfestigkeit beigegeben ist und eine weitere mit­ vernetzende oder nicht mitvernetzende Komponente zur Verbesserung der Trockenschmier­ eigenschaft beigegeben ist, aufgetragen und diese während des Wirbelsinterverfahrens oder Pulversprühverfahren vernetzt wird.1.Hydraulically loadable cylinder with at least one cylinder inner surface and at least one piston arranged in the cylinder inner surface with piston rod or piston tube or an inner cylinder as a relatively movable inner part with a cylindrical outer surface, whereby against the surfaces ( 1 , 2 ), which are coated on all sides with plastic, in Piston and in the cylinder seal each have at least one sealing ring ( 3 , 4 ) and at least one guide ring ( 5 , 6 ) is characterized in that a three-dimensional, crosslinkable, temperature-resistant thermoplastic in powder form with a layer thickness of 20 µm to 250 µm, as the coating material further components, of which at least one co-crosslinking or non-crosslinking component is added to improve the layer strength and another with crosslinking or non-crosslinking component is added to improve the dry lubrication property, a applied and this is crosslinked during the whirl sintering process or powder spraying process. 2. Zylinder nach Anspruch 1, dadurch gekennzeichnet, daß als Pulver PTFE (Polytetrafluorethylen - Handelsname Teflon) verwendet wird.2. Cylinder according to claim 1, characterized in that PTFE (polytetrafluoroethylene - trade name Teflon) is used as powder. 3. Zylinder nach Anspruch 1, dadurch gekennzeichnet, daß vor der Pulveraufbringung die Oberflächen mit einem Strahlmittel gestrahlt werden.3. Cylinder according to claim 1, characterized in that the surfaces are blasted with an abrasive before the powder is applied. 4. Zylinder nach Anspruch 1, dadurch gekennzeichnet, daß vor der Pulveraufbringung die Oberflächen mit einem Haftvermittler behandelt werden.4. Cylinder according to claim 1, characterized in that the surfaces are treated with an adhesion promoter before the powder is applied. 5. Zylinder nach Anspruch 1, dadurch gekennzeichnet, daß die Vernetzung durch ausreichende Erwärmung vor der Beschichtung durchgeführt wird.5. Cylinder according to claim 1, characterized in that the crosslinking is carried out by sufficient heating before the coating. 6. Zylinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Erwärmung induktiv durchgeführt wird.6. Cylinder according to one of claims 1 to 5, characterized in that the heating is carried out inductively. 7. Zylinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Beschichtung im Wirbelsinterverfahren durchgeführt wird.7. Cylinder according to one of claims 1 to 5, characterized in that that the coating is carried out in the vortex sintering process. 8. Zylinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Beschichtung durch das Pulversprühverfahren durchgeführt wird.8. Cylinder according to one of claims 1 to 5, characterized in that the coating is carried out by the powder spray process.
DE29913762U 1999-08-06 1999-08-06 PTFE coating for the production of a hydraulic cylinder Expired - Lifetime DE29913762U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29913762U DE29913762U1 (en) 1999-08-06 1999-08-06 PTFE coating for the production of a hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29913762U DE29913762U1 (en) 1999-08-06 1999-08-06 PTFE coating for the production of a hydraulic cylinder

Publications (1)

Publication Number Publication Date
DE29913762U1 true DE29913762U1 (en) 2000-03-23

Family

ID=8077188

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29913762U Expired - Lifetime DE29913762U1 (en) 1999-08-06 1999-08-06 PTFE coating for the production of a hydraulic cylinder

Country Status (1)

Country Link
DE (1) DE29913762U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1163979A1 (en) * 2000-06-14 2001-12-19 Hans Oetiker AG Maschinen- und Apparatefabrik Pneumatically operated precision pliers
EP1988295A2 (en) 2007-05-04 2008-11-05 Bümach Engineering International B.V. Surface-coated machine elements
DE102008010652B3 (en) * 2008-02-22 2009-11-05 Polysius Ag Power transmission system and roller mill

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1163979A1 (en) * 2000-06-14 2001-12-19 Hans Oetiker AG Maschinen- und Apparatefabrik Pneumatically operated precision pliers
WO2001096071A1 (en) * 2000-06-14 2001-12-20 Hans Oetiker Ag Maschinen- Und Apparatefabrik Pneumatic precision pliers
US7107814B2 (en) 2000-06-14 2006-09-19 Hans Oetiker Ag, Maschinen Und Apparatefabrik Pneumatic precision pliers
EP1988295A2 (en) 2007-05-04 2008-11-05 Bümach Engineering International B.V. Surface-coated machine elements
DE102008010652B3 (en) * 2008-02-22 2009-11-05 Polysius Ag Power transmission system and roller mill

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20000427

R156 Lapse of ip right after 3 years

Effective date: 20030301