FRANZ HAIMER MASCHINENBAU KG Patent applications |
Patent application number | Title | Published |
20160052061 | TOOL HOLDER COMPRISING SLITS - A tool holder for non-positively holding a rotatable tool by a receiving body containing a receiving opening with slits extending radially from the inner wall towards the exterior and running in the longitudinal direction of the receiving body. To permit a simple production process, the receiving body has an insert fixed into a receiving section. | 02-25-2016 |
20150290776 | BALANCING OR MEASURING DEVICE - The invention relates to a balancing or measuring device which comprises a base body ( | 10-15-2015 |
20150217385 | CENTERING DEVICE - A centering device for centrally chucking a rotary tool includes a socket on a mandrel of a tool holder. A tool arrangement includes a tool holder that has a mandrel, and including a rotary tool that is placed on the tool holder and includes a socket. In order to create a universal centering device that is easy to manufacture and can be used for a multitude of internal chucking units, and create a tool arrangement in which the rotary tool can be centered with high accuracy on the internal chucking unit, the centering device is designed as a closed centering ring which can be inserted between the rotary tool and the mandrel and which has an elastically deformable contour, and such a centering device is disposed between the mandrel and the rotary tool in the tool arrangement. | 08-06-2015 |
20150041456 | INDUCTION COIL UNIT - The induction coil unit for heating a component that is rotationally symmetrical relative to an axis ( | 02-12-2015 |
20140353930 | APPARATUS AND METHOD FOR CLAMPING A COMPONENT ON A ROTATING MACHINE PART - An apparatus for clamping a component on a rotating machine part, in particular a balancing machine, having a basic body, having a clamping mandrel, which is arranged in an axially displaceable manner within the basic body, and having a plurality of clamping devices, which can be moved between a release position and a clamping position by axial displacement of the clamping mandrel. In order to make it possible for components to be clamped centrally with repeated accuracy, the clamping devices are designed as clamping segments which can be displaced radially in relation to the centre axis of the basic body above the latter. | 12-04-2014 |
20130307230 | Means for Preventing Tools from Being Pulled Out from Tool Holders with a Tool Holding Fixture - The invention relates to a tool holder with a tool holding fixture, in particular a clamping chuck such as a contracting chuck, a draw-in collect chuck, a hydraulic expanding chuck and a high-precision chuck, and a shank of a tool, in particular a rotary tool, accommodated in it, wherein the tool holder contains a means for preventing the tool from being pulled out, locking it against axial displacement. This pull-out preventing unit comprises at least one locking element and at least one locking groove, which corresponds to the said locking element, receives it and interacts with it in a positively locking manner. In this case, both the locking element and the locking groove are formed at least partly in the manner of a ball head. Preferably, the tool has the locking grooves. On account of preferably spirally arranged locking grooves along the cylindrical shank of rotary tools, the direction of pitch of which grooves corresponds to the direction of the grooves of the tool, axial locking of the tool is obtained, so that the tool cannot be axially displaced from the tool holder during operation. In addition, force-exerting elements are arranged, with the effect of making the tool lie against the pull-out preventer without play after shrink-fitting. | 11-21-2013 |
20130119619 | TOOL HOLDER - The present invention relates to a tool holder that either has a modular design, and the modules of which are centered via interfaces, or/and in which a centered interface is provided between the tool and the tool receiver such that high concentricity, and thus a high processing accuracy are achieved. The present invention further relates to a system comprising a tool holder and a tool. | 05-16-2013 |
20130115023 | Tool Holder - A tool holder comprising a base element, a deformable receiver for clamping a tool and at least one locking element configured for preventing an axial extraction of the tool from the tool holder through engaging a corresponding opposite element at the tool, wherein the at least one locking element is integrally configured in one piece with the receiver. | 05-09-2013 |
20120304764 | BALANCING MACHINE WITH AUTOMATIC INDEX MEASURING - The invention relates to a balancing machine for measuring the rotating unbalance of a tool holder in two different clampings, comprising a spindle which can be set into rotation. The spindle comprises an automatically actuatable coupling, by which the tool holder can be coupled rigidly to the spindle in a first position in order to rotate with the spindle around the rotational axis of the tool holder and the tool holder can be coupled rigidly to the spindle in a second position in order to rotate with the spindle around the rotational axis of the tool holder. The balancing machine also comprises at least one measuring sensor for determining the rotating unbalance of the tool holder rotating in the spindle unit, wherein the device has a brake which retains the tool holder. | 12-06-2012 |
20120279286 | SPINDLE CLAMP - The invention relates to a balancing device, having a measuring system for determining the rotational unbalance of a test object, comprising a spindle unit with a spindle, which is intended to hold the test object and rotate it at a test rotational speed, and a spindle mounting, by which the spindle unit is movably anchored on the machine base, such that the spindle unit can oscillate in a predetermined measuring direction as a result of the unbalance forces occurring during the measurement operation, and at least one sensor, which upon rotation of the spindle detects at least one unbalance characteristic variable occurring in the measuring direction, and a material removal system for balancing the test object by material removal in a predetermined site. The measuring system and the material removal system are designed such that material can be removed when the test object is held in the spindle. | 11-08-2012 |
20120186286 | MIST COOLING - The invention relates to a device for cooling an object that was previously subjected to a heat application, generally a multi-piece composite, particularly in the form of a shrink-fit chuck into which the shank of a tool was chucked or from which it was removed (cooling device), wherein the device comprises a pump, by way of which it generates a carrier gas flow, particularly an air flow, which is charged with a liquid cooling medium, particularly water, so that a coolant flow, the majority of the volume of which consists of the carrier gas, is created, which then spreads over at least the section of the object to be cooled. | 07-26-2012 |
20110290017 | BALANCING DEVICE HAVING ADDITIONAL BEARING - A device for measuring the rotational imbalance of a specimen, having a spindle unit with a spindle, which is embodied to hold the specimen and to allow it to rotate at a testing speed, a holder suspension by means of which the spindle unit is anchored to the machine base in pendulum fashion such that the imbalance forces occurring during the measurement operation are able to move the spindle unit back and forth in a predetermined measuring direction M, and a sensor arrangement that detects at least one imbalance parameter occurring in the measuring direction M during rotation of the spindle, wherein the spindle unit is supported by means of at least one auxiliary bearing that is only able to transmit forces in the direction of a normal N to the measuring direction M. | 12-01-2011 |
20110266756 | DAMPING SLEEVE - The invention relates to a tool holder comprising a tool receptacle for frictionally clamping a tool shaft. A sleeve is arranged between the tool shaft and the clamping surface of the tool holder, said tool holder applying pressure to the tool shaft via the sleeve, producing the friction fit. At least one of the bearing surfaces of the sleeve is interrupted by open surfaces that are designed and arranged such that they form the damping cavities. | 11-03-2011 |
20110248455 | SHRINK FIT CHUCK HAVING EXTENSION GROOVES - The invention relates to a tool holder comprising a tool receptacle in the form of a sleeve part, which comprises a tool receptacle opening comprising a mating surface which is concentric with the axis of rotation of the tool holder and on which the shaft of a tool inserted in accordance with the intended purpose thereof into the tool receptacle opening of the sleeve part can be fixed in a press fit, wherein the sleeve part comprises a number of circumferential recesses from the side of the mating surface, wherein the recesses divide the mating surface into several mating surface segments which are comparable to each other and which are substantially inherently rigid in the axial direction, wherein the radial depth of the recesses is selected such that the press fit releases substantially uniformly on all mating surface segments under the influence of heat applied over the outer circumference of the sleeve part. | 10-13-2011 |
20110233839 | QUICK CHANGE SYSTEM - A clamping device | 09-29-2011 |
20110156363 | TOOL HOLDING DEVICE - The invention relates to a tool holding device comprising a tool holding body for securing, in a fixed manner, a rotary tool comprising a shaft, provided with a clamping section and a receiving opening for the shaft of the tool, a coolant feeding device for pressurized fluid, at least one coolant guiding device for guiding the coolant into a clamped tool shaft. The coolant guiding device is designed as at least one flat groove on an inner side of the receiving opening, joining to the front side on a free end of the tool holding body and directly adjacent to the tool shaft in the surroundings of the tool holding device or a coolant storing chamber and/or collecting chamber is provided in the region of the free end of the tool holding body, to which the at least one coolant guiding device joins. The coolant storing chamber and/or collecting chamber is connected by means of an annular gap to the surroundings of the tool holder device. The coolant storing chamber and/or collecting chamber and the annular gap are defined at least partially by the work shaft. | 06-30-2011 |
20100200571 | CROSS-FIELD SHRINK-FIT DEVICE WITH MEANS FOR LIMITING MAGNETIC FLUX LOSSES - The invention relates to a device for inductive heating of an electrically-conducting component section symmetrical relative to an axis, in particular, a sleeve section of a tool clamping chuck for clamping a tool by means of a press fit, wherein the device has several pole pieces made from a magnetically-conducting material arranged in the circumferential direction around the symmetry axis of the component section introduced as required into the device and an induction device for supplying the pole pieces with magnetic flux such that the magnetic flux in pole pieces which are adjacent in the circumferential direction is opposed. The pole pieces are all mounted on the device such as to be movable about an axis (adjustment rotation axis) running essentially parallel to the axis of symmetry of the component section, such that each of the pole pieces can be adjusted in the direction of the surface region of the individual workpiece by means of a rotation about the provided adjustment rotation axis. | 08-12-2010 |
20100133262 | SHRINKING COIL WITH DIRECT TOOL COOLING - The present invention relates to a device for tensioning or de-tensioning tools, having a tool shaft in a tool chuck which has a sheath section open on the free end thereof and which is made of electrically conductive material, for receiving the tool shaft in a friction connection, having an induction coil which surrounds the sheath section of the tool chuck, to which preferably high-frequency alternating current can be applied, and which is designed as a ring or cylinder coil, wherein the device has at least one channel running between the inner peripheral surface of the induction coil and the sheath section of the tool chuck, through which flows a cooling agent which cools the sheath section of the tool chuck. | 06-03-2010 |
20100061820 | TOOL HOLDER - The present invention relates to a tool holder ( | 03-11-2010 |
20100013171 | DEVICE FOR TIGHTENING AND RELEASING CLAMPING TOOLS - The invention relates to a device ( | 01-21-2010 |
20080277386 | Induction Coil Assembly - The induction coil unit ( | 11-13-2008 |
20080219034 | Circuit, Shrink Fixing and Regulation Method | 09-11-2008 |