94 results about "Machine tool" patented technology

The invention relates to a cylinder liner combined machining machine tool. The machine tool comprises a machine tool body, wherein a motor device, an apron driving device, a tailstock driving device and three sets of guide rails are installed on the machine tool body, an upper apron is installed on the upper set of guide rails, an external turning tool is installed on the upper apron, a down-cutting device is installed on the lower set of guide rails, a facing tool set is installed on the down-cutting device, a headstock and a double-station complex programming tailstock are installed on the main guide rails in the middle, a headstock spindle is driven by the motor device to rotate, a boring tool and an expansion combination device are installed at the front end of the headstock spindle, a material pushing device is installed on the top of the headstock, and the double-station complex programming tailstock is a tailstock device which is provided with a telescopic hydraulic chuck mechanism and a hydraulic center mechanism at the same time. According to the cylinder liner combined machining machine tool, the machining efficiency and the accuracy of cylinder liners can be greatly improved; a production unit can formed when an automatic feeding and discharging device is further arranged so that automatic production can be achieved, the production cost can be greatly reduced, the productivity of enterprises can be improved, and the cylinder liner combined machining machine tool is particularly applicable to mass production of cylinder liners.

The invention discloses a deburring machine tool which relates to an excricle deburring machine tool of shaft parts, in particular to a machine tool used for deburring a straight flute, a transverse groove, a chute of an excircle of a pillar plunger core inside a plunger and barrel assembly. The deburring machine tool comprises a machine body, a fixture drive motor seat, a first micro motor, a fixture driving pulley, a first synchronous belt, a fixture driven pulley, a first flat key, a draw bar, a first compression spring, a supporting block, a clamping head top block, an elastic clamping head, an elastic clamping head seat, a first plane bearing, a space ring, a first deep groove ball bearing, a lower end cover, a rotary disk, a bush, a combination cap, a second micro motor, a horizontal motor support, a first disk type steel brush, a main shaft, a second flat key, a main shaft belt pulley, a second synchronous belt, a bearing seat, a second deep groove ball bearing, a bush, a space ring, a second plane bearing, a third plane bearing, a nut, a main motor support, a third micro motor, a coupler, a reduction box, a second flat key, a driving pulley, an inclined motor seat, a fourth micro motor, a second disk type steel brush, a vertical motor seat, a ninth outer hexagon bolt, a fifth micro motor and a third disk type steel brush.

A pallet P held in a vertical position is moved from a pallet mounting surface, formed to extend vertically on a table 115 of a machine tool 101, to a pallet mounting surface formed vertically on a pallet support member 17 of a pallet changer 11. After rotationally indexing a swivel base 15 by 180 degrees about a vertical axis, a pallet P′ is moved from the pallet support member 17 to the table 115.

The invention relates to the technological field of precise numerical-control machine tool equipment and provides a novel precise numerical-control machine tool comprising a machine tool body. A spindle box and an auxiliary spindle box are arranged on the machine tool body. A cutter rest is arranged between the spindle box and the auxiliary spindle box. A first machining cutter is arranged on thecutter rest. The auxiliary spindle box comprises an auxiliary spindle and a clamp which is detachably installed on the auxiliary spindle and used for clamping a special-shaped workpiece. The clamp isan internal expanding mandrel or a chuck. During work, the first machining cutter can machine the workpiece on the auxiliary spindle box. A workpiece in a regular shape is clamped by the spindle box,and the auxiliary spindle box clamps the special-shaped workpiece. Specifically, when the first machining cutter machines the workpiece on the auxiliary spindle box, since the clamp is detachably installed on the auxiliary spindle box and is the internal expanding mandrel or the chuck, different clamps, such as the internal expanding mandrel or the chuck, are selected according to different special-shaped workpieces. In this way, the novel precise numerical-control machine tool achieves the purpose that both the workpiece in the regular shape and the special-shaped workpieces can be machined,and the novel precise numerical-control machine tool is wide in application range and high in applicability.

The invention discloses a deep hole processing method adopting a common lathe, and relates to the mechanical processing field, in particular to the deep hole processing method adopting the common lathe. The deep hole processing method comprises the following steps: turning the two end surfaces throughout the overall length with machining allowance of 1 mm, chamfering at the two ends of a hole by an angle of 2*30 degrees, using two tips to clamp and roughly turn an excircle with allowance of 0.5mm in single side; clamping one end of a workpiece, supporting the other end of the workpeice by use of a center frame, using an inner hole cutter to roughly turn the inner hole throughout one half the overall length with the allowance of 0.5mm in single side; turning round the workpiece, and roughly turning the other end of the workpiece throughout the rest of the length of the hole with the allowance of 0.5mm in single side of the inner hole; finishing the two end surfaces and controlling the overall length of the workpiece, chamfering the orifices at the two ends by 2*30 degrees; using two ejector pins to clamp and finish the excircle of a cylinder to dimension requirements; using four claws to clamp the excircle, aligning, and using the center frame to support the finished inner hole, wherein the roughness is Ra3.2 and allowance is 0.2mm; repeating the third-step clamping process to finish the inner hole throughout the other half length, wherein the roughness is Ra3.2 and the allowance is 0.2 mm; and carrying out floating boring. The deep hole processing method is simple in processing process, adopts the common lathe to process a deep hole, so that the production cost is reduced, and processing precision can be met.

The invention discloses a coupling adhesion device. The coupling adhesion device comprises a machine tool, and an upper lifting rotary part, a middle movable clamp and a lower lifting rotary part are installed on the machine tool, wherein the upper lifting rotary part is used for installing an upper flange and driving the upper flange to rotate around the axis of the upper flange and ascend or descend to be assembled on an organic glass cylinder; the lower lifting rotary part is used for installing a lower flange and driving the lower flange to rotate around the axis of the lower flange and ascend or descend to be assembled on the organic glass cylinder; the middle movable clamp is used for clamping the organic glass cylinder; and the rotation axis of the upper lifting rotary part and the rotation axis of the lower lifting rotary part are coaxial with the clamping center of the middle movable clamp. According to the coupling adhesion device, by adoption of a vertical adhesion mode, glue can be prevented from flowing, and the thickness of the adhesive glue is made to be uniform; and the upper flange and the lower flange are driven by the upper lifting rotary part, the middle movable clamp and the lower lifting rotary part to rotate so as to spray the glue and ascend or descend to be assembled to and adhere to the organic glass cylinder, positioning is accurate, operation is easy, and the processing efficiency and adhesion accuracy can be improved.

A motor-driven machine tool unit having a stator unit and at least one rotor unit having a rotor shaft that is rotatable about an axis of rotation. The rotor unit includes at least one first bearing unit arranged in the end region of a tool and / or workpiece receptacle, and a second bearing unit arranged at the opposite end region for mounting the rotor shaft in the stator unit. At least one electrical power transmission unit for transmitting electrical power between the stator unit and the rotor unit is provided. The problem addressed by the invention is that of better satisfying the increasing demands on modern machine tools or machine tool units. This problem is solved by the electrical power transmission unit is arranged in the end region opposite the tool and / or workpiece holder and / or on the second bearing unit.

The invention discloses a one-step form grinding method for double races, which includes the following steps: step 1: an emery wheel is mounted on a bracket, the emery wheel and the bracket are formed into a grinding wheel dresser, the bracket is fixed on a machine tool platform, and the central line of the emery wheel needs to be in parallel with the central line of the spindle of a grinding wheel; step 2: the emery wheel is rotated at high speed to dress the grinding wheel, so that the grinding wheel is formed into a shape required by grinding; and step 3: the dressed grinding wheel is used for grinding the inner and the outer races of a wind power bearing until the shapes of the inner and the outer races fully accord with the shape of the emery wheel and the requirement of a drawing. The one-step form grinding method for the double races increases the race-making precision.

A machining tool (1) comprises a clamping section (2), which extends along a central axis (M), a cutting section (3), which adjoins the clamping section (2) and has a nominal diameter (DN), and at least one cooling duct (4), which preferably extends in the clamping section (2) and in the cutting section (3), wherein the cross-sectional shape of the cooling duct (4) is arranged in a cross-sectional region (Q) of the respective section (2, 3) in which the equivalent stress under a machining load has a value which is as small as possible, and / or wherein the cross-sectional shape of the cooling duct (4) is defined by an inner curve segment (5), an outer curve segment (6), which is arranged at a distance from the latter, and by means of two tangents (7) connecting the two curve segments (5, 6).

The invention discloses a control method of surface waviness of a large-size optical element processed through a single point diamond milling method and belongs to the field of ultraprecision machining of a large-size brittle optical element. The invention aims to solve the problem that the existing SPDT (single point diamond turning) method cannot guarantee waviness errors and frequency domain evaluation index PSD1 when a large-size optical element is processed. The control method disclosed by the invention comprises the following steps: 1. carrying out rough machining; 2. acquiring a space cycle T of longitudinal strips; 3. judging rigidity of the processing lathe, executing the step 4 if the rigidity is too low and executing the step 5 if the rigidity is too high; 4. increasing average pressure between a beam and a leveling pad body and then executing step 6; 5. reducing average pressure between the beam and the leveling pad body or contact rigidity, and then executing step 6; 6. carrying out secondary ultraprecision machining; 7. detecting the PSD1 value again; 8. judging whether the fact that PSD1 is less than or equal to 15nm<2>.mm is right or false; returning to the step 2 if the fact is false; and if the fact is right, completing the control of the waviness errors and the frequency domain index PSD1 of the large-size optical element U processed through the single point diamond milling method.