44results about How to "Avoid cut quality" patented technology

A rotary tool (T) has a rotary segment (10) with an opposed surface opposed to a work surface and a plurality of cutting parts (20) arranged on the opposed surface. Some cutting parts (20) include tips (22a) made of a grinding tool segment obtained by binding abrasive grains by a metal binder and the other cutting parts (20) include tips (24a) made of a sintered material harder than the grinding tool segment, and the respective cutting parts (20) are arranged such that the tips (24a) are located at positions more outward than the tips (22a) with respect to radial directions of the rotary segment.

A replaceable-blade cutting insert for corner milling cutters has a first and second surface; a third and fourth surface connected to a first side edge and a second side edge thereof respectively; and a fifth and sixth surface connected to a first edge and a second edge of the first surface and the second surface respectively. The first surface is used as rake face, the third surface is used as an outer perimeter flank face, and the fifth surface is used as a forward flank face. A twisted surface is disposed on a section of the third surface, forming a ridge line that acts as a main cutting edge intersecting with the first surface and interposed between the third and first surface. The first and second surface can be positioned with a height offset relative to each other so that at least one set of diagonal corners are projected.

The invention discloses a laser continuous cutting device used for cutting a saw belt and a cutting method. The laser continuous cutting device aims to solve the problems that continuous cutting and forming of sawteeth can not be achieved, tool auxiliary time accounts for a high percentage, and cutting efficiency is low in the prior art. The laser continuous cutting device comprises a base which is sequentially provided with a driving friction roller used for regulating feeding speed of the saw belt, a pressing wheel set used for pressing the saw belt, a work platform and a driving wheel set driven by a driving device; a laser head which is arranged on a Z shaft for cutting the saw belt is arranged above the work platform; the work platform is provided with a feeler block and a transverse locating mechanism used for locating the saw belt; during cutting work, the speed of a sliding platform X1 is the same as the feeding speed of the saw belt. The laser cutting sawtooth continuous forming technique does not need a milling cutter, and the sawteeth in any two-dimensional shapes can be correspondingly manufactured very rapidly.

Provided is a printer apparatus, including: a thermal print head that performs printing by contacting a heat-sensitive color-developing layer of a heat-sensitive adhesive sheet that includes a printable surface made from the heat-sensitive color-developing layer on one surface of a sheet-like base material, and a heat-sensitive adhesive layer on another surface of the sheet-like base material; a thermal-activation thermal head that activates the heat-sensitive adhesive layer by heating; a cutter device that cuts the heat-sensitive adhesive sheet; a transporting unit that transports the heat-sensitive adhesive sheet; and a controlling unit that controls the thermal print head, the thermal-activation thermal head, and the cutter device. The controlling unit controls the transporting unit to transport the heat-sensitive adhesive sheet so as to pass through the thermal print head, the thermal head used for activation, and the cutter device, in order; and to transport a leading edge of a remainder portion of the heat-sensitive adhesive sheet, after the cutter device cuts the heat-sensitive adhesive sheet, to return to a printing position of the thermal print head or to a heating position of the thermal-activation thermal head.

A vehicle is wrapped by an adhesive film which is then slit by applying first tape to the vehicle having a longitudinally extending filament carried by the tape at a position spaced from the side edges. A second tape is applied over the film at the first tape body so as to bridge to each side of the filament and pulling the filament so as to tear through the film and the first ad second tapes body with the second tape applying a force to the film acting to reduce tendency of the film to pull away from the object during the cutting by the filament as the filament is pulled.

The invention discloses a single-wall bellows laser cutting machine, which comprises a base, a fixing frame is installed on one side of the upper part of the base, an industrial control instrument is installed on one side of the upper part of the fixing frame, a push rod motor is installed in the upper middle part of the fixing frame, and a push rod motor is installed on the upper side of the fixing frame. The push rod is vertically downward, the end of the push rod motor is installed with a laser module, the upper middle of the base is installed with two roller frames, and the roller and stepper motor are installed on the roller frame, and the output shaft of the stepper motor is connected Wheel shaft connection. The invention provides a cutting machine for cutting a single-wall corrugated pipe by using a laser. The invention cuts the single-wall corrugated pipe with the laser emitted by the laser mode, and the single-wall corrugated pipe does not need to be in contact with the cutting parts, thus avoiding the vibration during mechanical cutting and greatly reducing the cutting quality of the single-wall corrugated pipe. The cutting surface of the single-wall corrugated pipe after die cutting is smooth and smooth without burrs.

The invention discloses a process method for improving the quality of corner cutting of equilateral angle steel, which comprises the following steps: step A: selecting a corner cutting machine; step B: fixing a fixed block on the workbench of the corner cutting machine; step C: drawing on the angle steel Upper chamfering line; step D: place the angle steel in the V-shaped through groove, and make the angle to be cut off on the angle steel be located at the place where the right angle is inverted on the through groove, and the chamfer line is located on the side where the right angle is away from the through groove; step E: Start the driving device, make the opposite sides of the limiting plates contact both ends of the angle steel, and fix the angle steel between the limiting plates; Step F: Start the angle cutting machine, and cut off the corners on the angle steel. In this way, through the above method, the angle steel for corner cutting can be fixed to prevent the side away from the cutting point from turning up when the angle steel is cutting the corner, which will reduce the quality of the angle steel incision, and even make the edge distance of the corner cutting not comply with the process regulations. Increase the repair times of angle steel and reduce the scrap rate of angle steel.

The invention provides a numerical control cutting method for preventing an inner hole notch of a thick plate part. Geometric figures of parts are modified in batches by means of programming in AutoCAD software; an arc blowout point, a kerf compensation and a cutting parameter during numerical control flame cutting are set reasonably, such that a crater in an inner hole cutting guidance position of the thick plate part is avoided, and a cutting notch is prevented from being generated at the inner hole cutting arc blowout point to hurt the part, and therefore, the technical problem that the crater occurs on a cut steel plate of a numerical control flame cutter is solved. The geometric figures of parts are modified in batches by means of programming, such that the workload of manual modification is reduced. The arc blowout point, the kerf compensation and the cutting parameter during numerical control flame cutting are set reasonably, such that the crater in an inner hole cutting guidance position of the thick plate part is avoided, and the cutting notch is prevented from being generated at the inner hole cutting arc blowout point to hurt the part, and thus, manpower and material resources consumed to polish and smoothen the edge of the inner hole manually after repair welding of the cutting notch are reduced. The method is suitable for serving as the cutting method for preventing the inner hole notch of the thick plate part.

The invention relates to a double-gantry type structure slice cutting machine symmetrical about a YZ plane. The double-gantry type structure slice cutting machine comprises a base, the base is provided with an X-axis linear motion module along the X axis, the X-axis linear motion module is provided with an Rz-axis rotation module, the part, on the two sides of the X-axis linear motion module, of the base is parallelly provided with two gantries at intervals in the X-axis direction, the top of the position between the two gantries is provided with a Y-axis linear motion module along the Y axis,the Y-axis linear motion module is provided with a Z-axis linear motion module along the Z axis, the bottom of the Z-axis linear motion module is provided with a main shaft module located above the Rz-axis rotation module, and the two gantries, the Y-axis linear motion module, the Z-axis linear motion module and the main shaft module are integrally symmetrical about the YZ plane. Compared with single-gantry structures in the prior art, by means of the double-gantry type structure slice cutting machine symmetrical about the YZ plane, influence of heat, self weight, motion inertia force, vibration and other factors can be reduced, and the machining precision of the slice cutting machine is improved.

The invention relates to a cutting device for angle steel. The cutting device comprises a rack (1) and a V-shaped positioning block (2) arranged on the rack (1). The angle steel (3) is placed in the V-shaped positioning block (2). A cutter (4) which is located at the upper portion of the V-shaped positioning block (2) and corresponds to the V-shaped positioning block (2) is arranged on the rack (1). The cutter (4) comprises a positioning block (41) and a cutting knife (42). The section of the positioning block (41) is in a V shape, and corresponds to the inner wall of the angle steel (3) to position the angle steel (3). The section of the cutting knife (42) is in a V shape. The cutting knife (42) comprises a knife body (421) and a blade (422). The blade (422) is arranged on one side of the knife body (421) and protrudes out of the knife body (421). The positioning block (41) is lower than the cutting knife (42). The cutting device for the angle steel is simple in structure, and can well cut the angle steel.

The invention discloses a wire cutting device with a clamping mechanism. The wire cutting device comprises a platform, supporting rods are fixedly connected to the top of the platform, the tops of thesupporting rods are fixedly connected with a top plate, a movable handle is arranged on the top of the top plate, and the bottom of the movable handle is fixedly connected with a cutter holder. The bottom of the top plate is fixedly connected with fixing rods, the bottoms of the fixing rods are fixedly connected with baffles, the bottom of the cutter holder is provided with springs, the outer surfaces of the fixing rods are sleeved with the springs, a cutter is welded to the bottom of the cutter holder, and the top of the platform is fixedly connected with a clamping base. By arranging the clamping base, a strip-like opening, a rubber plate, a bolt, a fixed plate, a winding roller, an insertion rod, a fixing frame, a movable plate, a motor, a screw, clamping rods and threaded pins, the problems are solved that an existing wire cutting device is not provided with the clamping mechanism, during cutting, a nylon product is easy to loosen, when the nylon product is cut, the cutting platform can shake, and the stability is poor.

The invention discloses a plastic extruding plate cutting machine. Annular cutter edges are arranged on the upper side and the lower side of the plastic extruding plate correspondingly. The plastic extruding plate is cut through self rotating of the annular cutter edges and transverse moving of a rack. The cutter edges do not need to move vertically, and the equipment cost is saved, and for some thick plastic extruding plates, the fact that the cutter quality is reduced due to deformation of the plastic extruding plate can be avoided. A strip-shaped notch is formed in a worktable, and the cutting operation of the plastic extruding plate corresponds to the strip-shaped notch. Pressing devices are arranged on the worktable and located on the two sides of the strip-shaped notch, and the position to be cut of the plastic extruding plate can be firmly fixed, and the cutting quality is further improved; and the plastic extruding plates with various width can be cut through adjustment of a mounting seat and replacement of a pressing part, and the equipment cost is further saved.

Granulator blades with a high wear resistance made of cold work tool steel, preferably with a high vanadium content and thermally treated after machining, at a temperature ranging from 500° C. to 700° C. The sharpening of the blades is effected by abrading the blades against the surface of the die plate, under suitable operating conditions.

The invention discloses an intelligent optical fiber laser cutting machine with high safety. The intelligent optical fiber laser cutting machine comprises a base, a cavity is formed in the base, electric push rods are fixedly mounted on the two sides of the inner wall of the cavity, a sliding block is fixedly connected to one side of the cavity, a connecting rod is welded to the upper end of the sliding block, and the connecting rod penetrates through the base to be welded with a movable seat; and the movable seat is slidably connected with the base through a sliding block, side plates are welded to the two sides of the upper end of the base, a transverse plate is welded to the upper ends of the side plates, a purification mechanism is arranged at the upper end of the transverse plate, and supporting legs are welded to the two sides of the lower end of the base. Under the action of an exhaust fan, a gas collection tank, a gas purification plate, a telescopic hose, an air suction cover and a mounting frame, some poisonous and harmful gas or smoke dust generated during cutting can be absorbed and purified through the gas purification plate, the influence on the health of the respiratory tract of an operator is avoided, and the safety performance of the optical fiber laser cutting machine is greatly improved.

The invention provides a novel laser cutting machine which comprises a rack, a working platform and a laser device which are arranged on the rack, wherein the laser device is slidably connected to the rack, the novel laser cutting machine further comprises a feeding device and an overturning discharging device, the feeding device is arranged on the right side of the working platform and used for taking and conveying materials to the working platform, and the overturning discharging device is movably connected to the lower portion of the working platform, penetrates through the working platform and is used for dumping materials on the working platform. According to the novel laser cutting machine, the automation degree is high, the automatic feeding and discharging mode is adopted, the feeding and discharging time is short, one person can operate multiple machines, the cutting efficiency is high, the cutting quality is stable, in addition, the feeding device and the laser device are of an integrated structure, the installation space is saved, assembling is easy and convenient, the maintenance cost is reduced, plates are always kept in the middle when entering the working platform in the feeding process, and the cutting effect is guaranteed.