39results about How to "Increase the spindle speed" patented technology

A spindle condition detection device for a machine tool includes: bearing load detecting means for detecting a load on a bearing that rotatably supports a spindle of a machine tool; and present usage ratio calculating means for calculating, based on the load detected by the bearing load detecting means, a present usage ratio that is a ratio of usage of the bearing with respect to a prescribed operating life of the bearing, which is achieved over a period until a present moment.

The invention relates to a recoil impulse generator for a weapon simulator comprising a force storage element and an impulse mass that can be moved and that is moved from a stressed to an unstressed position with a triggering element is actuated in order to simulate a recoil impulse. The recoil impulse generator comprises a drive that drives a spindle uniterruptedly during a shot sequence simulating several shots; a coupling that is connected to the impulse mass and to the force storage element and that engages in the spindle in an engaged state and that is moved along the spindle by means of rotation of the spindle in order to bring the impulse mass into the stressed position again the force applied by the force storage element; a disengaging means that switches the coupling to a disengaged state when the impulse mass has reached the stressed position; and an engaging means that switches the coupling to the engaged state when the impulse mass has reached the unstressed position.

The invention relates to a conveying joint device for cops and bobbins for spinning and doffing connection. The device comprises a stirring plate arranged at the joint between first pallet conveying track and a second pallet conveying track, a pallet output mechanism, a pallet input mechanism, multiple pallets and multiple pallet support assemblies. The multiple pallets and the multiple pallet support assemblies are used for placing cops and bobbins. The stirring plate is used for stirring pallets which are conveyed to the joint and. Clamping positioning of the above pallets is released. The stirring plate is coaxially installed onto a guide wheel. The pallet output mechanism is used for automatically conveying all pallets separated from the pallet support assemblies to the second pallet conveying track. The pallet input mechanism is used for automatically conveying all the pallets outputted by the second pallet conveying track to the pallet support assemblies of the first pallet conveying track. Therefore, the purpose of automatically conveying pallets in a reciprocating manner between an automatic winding machine and an automatic doffing and spinning machine is fulfilled. As a result, connection between the automatic doffing and spinning machine and the automatic winding machine is realized. The device is reasonable and compact in structure and helps reduce the conveying process. Spindle speed and production efficiency of the spinning machine can be greatly increased.

The invention discloses a high-speed motor spindle adopting lubrication under a loop, which belongs to the technical field of motor spindles. The high-speed motor spindle comprises a spindle casing and a spindle arranged in the spindle casing, wherein bearings are sleeved at the two ends of the spindle respectively; the middle of the spindle is sleeved by a rotor; a stator corresponding to the rotor is arranged in the spindle casing; an oil mist pipe is arranged in spindle and provided with a plurality of nozzles corresponding to lubricating holes of the bearings; through holes are formed in the connecting parts of the spindle and the nozzles of the oil mist pipe; an oil mist inlet connected with the oil mist pipe is formed in the spindle casing; a cooling system is further arranged in the spindle casing of the high-speed motor spindle; and the oil lubrication under the loop or oil gas lubrication under the loop is adopted for the bearings. With the adoption of the lubrication under the loop for the high-speed motor spindle, lubricating oil or oil gas arrives at bearing lubrication areas more easily under the action of a centrifugal force, so that the lubrication effect is better than the effects of ordinary jet lubrication and oil gas lubrication.

The invention discloses a low-speed high-torque and permanent-magnet synchronous high-speed automatic tool-changing electric spindle. The electric spindle comprises a motor body, and a stator, a rotor, a rotor shaft, a spring pre-tightening mechanism, a front bearing and a rear bearing are arranged inside the motor body. The electric spindle further comprises a connection base fixed to the rear end of the motor body, a connector fixedly connected to the connection base, a steam cylinder assembly fixedly connected to the connector, a rear cover arranged at the end of the steam cylinder assembly and a front end cover connected to the front end of the motor body. A tool loosening and pulling mechanism is arranged in the center of the rotor shaft, a pulling claw is arranged at the front end of the tool loosening and pulling mechanism, a disc spring assembly is installed in the middle of the tool loosening and pulling mechanism, a high-performance sensor is adopted together, and therefore automatic tool changing is more convenient and accurate and rapider. A magneto-electric coder is adopted at the rear end, so that low-speed torque output is more balanced. Compressed air is adopted for non-contact air sealing so that higher rotation speed can be obtained. The electric spindle is simple and compact in structure and powerful in function, is smaller than common electric spindles with the same power in size, has the advantages that the speed is low and the torque is high and can be widely applied to high-speed and low-speed precision machining of various materials.

The door check includes a retaining bar (20) which can be connected to one of the two door assembly parts, i.e. the door (8) or the door frame (6), and a retaining housing (13) which can be connected to the other door assembly part. In order to design a door check that allows a vehicle door to be reliably and safely blocked in an automated manner, a threaded bar (50) can be accommodated in an axially movable fashion in a cavity of the retaining bar (20).

The invention relates to an industrial textile processing machine, in particular to an industrial sewing machine and a sewing method. The industrial sewing machine comprises an industrial sewing machine body which is provided with a handpiece. The handpiece is connected with a frame needle through a needle rod. A presser foot matched with the frame needle is arranged at the lower end of the handpiece. The industrial sewing machine further comprises an input unit, a control unit and a drive unit. The drive unit is connected with the control unit and an execution unit and used for receiving and amplifying a control signal and outputting the control signal to the execution unit matched with the drive unit for execution. Compared with the prior art, the industrial sewing machine has the advantages that the modular unitization structure is adopted, all units are internally independent and respectively systematic, the degree of integration is high, the structure is simple, errors are not likely to occur in the sewing process by adoption of the automatic sewing method, sewing is attractive, the sewing efficiency of the industrial textile processing machine is improved due to the high rotation speed of a spindle, and by adoption of a touch screen display device, operation is convenient.

In a method for operating a screw assembly, having a spindle, which is rotatably supported on at least one end, and a nut, which is drivable by the spindle in a forward-feed direction, the nut being braced transversely to the forward-feed direction on a primary subassembly, and the spindle rpm is selected as a function of the position of the nut such that this rpm is just below a position-dependent limit rpm, in order to attain the shortest possible travel time.

The invention discloses a steel collar for a ring spinner or a ring twister. The steel collar is characterized by comprising a steel collar fixing base (1), steel collar rotating rings (2), rotating wheels (3) and rotating wheel shafts (4). The steel collar fixing base (1) and the steel collar rotating rings (2) are ring-shaped. The outer diameter of the steel collar fixing base (1) is larger than that of the steel collar rotating rings (2). The steel collar fixing base (1) is evenly provided with at least three rotating wheel bases. The rotating wheel shafts (4) are installed on the rotating wheel bases. Each rotating wheel shaft (4) is movably sleeved with one rotating wheel (3). Center lines of the rotating wheels (3) are located on the same ring. The steel collar rotating rings (2) are installed on the rotating wheels (3) in an inserting mode after being connected in a butting mode, and can rotate relative to the rotating wheels (3). The rotating wheels (3) limit the steel collar rotating rings (2) in the radial direction. The service life of a bead ring and the steel collar is greatly prolonged.

The present invention provides a high-precision double-hardness cotton spinning ring and a manufacturing method and a device thereof. The high-carbon alloy steel is sequentially processed to ring blanks through baiting processing. The ring blanks are processed to ring substrates through rough turning and finish turning. Then heating, quenching and tempering are executed. Finally polishing is executed for obtaining the ring of which the hardness of upper part of ring is different from the hardness of lower part of ring. A heating induction furnace is adopted for executing rotation heating to the upper part of ring substrate requiring heating. A home-made quenching machine which comprises a heating device, a quenching device, a pushing mechanism and a control circuit is adopted for quenching the ring substrate, and the quenching time is not shorter than 1 second. Not only can the precision of cotton spinning ring be remarkably increased, but also the high-hardness wearing resistant lubrication requirement on the surface of cotton spinning ring is satisfied. The manufacturing method has the advantages of simple technique, easy operation, remarkably reduced manufacturing cost and prolonged service lifetime of cotton spinning ring.

The invention relates to a single-row reciprocating piston type rotor engine, belonging to the field of power generating machines. The engine comprises a main shaft (1), an elliptic orbit groove disc body (2), a transmission connecting rod (3), a positioning U-shaped fork (4), a cylindrical rotary cylinder body (5), a rotary cylinder body end cover (6), a turning lever (7), a turning lever shaft (14), a traditional single cylinder engine nose (8), a piston connecting rod (9), a piston (10), a cylindrical enclosure (11) and the like, wherein the lower end of the transmission connecting rod (3) is provided with a bearing (21) inserted into an elliptic orbit groove (12); a horizontal elbow of the transmission connecting rod (3) passes through the tube wall of the cylindrical rotary cylinder body (5); a perforation is sealed by using a shaft seal (13); the horizontal elbow is connected with one end of the turning lever (7) by using the bearing; the piston connecting rod (9) is connected with the other end of the turning lever (7) also by using the bearing; the turning lever shaft (14) is fixed on the bottom of the rotary cylinder body (5) and is in positioning connection with the turning lever (7) by using the bearing. The invention has the advantages of simple and compact structure, few components, light weight, small volume, high efficiency, energy saving, convenience of maintenance and long service life and not only can be made into a gasoline engine but also can be made into a diesel engine.

The invention discloses a multi-main-shaft vertical machining center. The center is mainly composed of a plurality of sets of main shaft units, X-direction numerical control sliding tables, Y-direction numerical control sliding tables, Z-direction numerical control sliding tables, rotary tool changers and a set of machine body. According to the machining center, multi-main-shaft synchronous tool changing can be carried out at the same time, and independent compensation can be independently carried out on the length of the tool on each main shaft; and the multi-main-shaft vertical machining center is simple in structure and convenient to maintain, and is ideal drilling and milling comprehensive machining equipment.

The invention relates to a small-sized CNC numerical control machine tool with a network-based manufacturing function. The small-sized CNC numerical control machine tool comprises a base mechanism, a sliding seat mechanism, a working table mechanism, a main shaft mechanism, a main shaft box mechanism, a vertical column mechanism, a main motor mechanism, a lubricating system, a cooling system, a pneumatic system and a programmable CNC control system, wherein the working table mechanism comprises a working tabletop; a clamp is mounted on the working tabletop; the vertical column mechanism is perpendicularly fixed on the base mechanism; the main shaft box mechanism is assembled at the front part of the vertical column mechanism through a Z-directional guide rail; the main shaft mechanism is fixed on the assembling surface of the main shaft box mechanism through a screw; the X and Y directional motions of the working table mechanism and the Z directional motion of the main shaft box mechanism can be controlled through the programmable CNC control system. The machine tool disclosed by the invention overcomes the shortcomings that the existing numerical control machine tool is large in size, inconvenient to operate and high in cost, only has the motions in two coordinate axis directions, is complicated in operation and the like, has the advantages of high main shaft rotating speed, high feeding rate, function compounding and the like, and can complete all machining procedures of complicated parts and realize control intelligence.

A processing method for a plane steel collar is carried out according to a tolerance decrement method including the following steps : applying seamless steel tube made of alloy steel to process blanks or applying powder smelt to press blanks, turning : processing in conventional hot process to the selected materials, no carbon penetration heat treatment formed by grinding eliminating the front several procedure accumulation tolerance to get the product after surface process which eliminates the accumulation tolerances of the last several procedures since applying formation procedure by grinding, the smoothness is not greater than 0.01mm roundness is less than 5 mum.

The invention relates to a high precision cotton spinning ring which uses low hardness steels as a base and process for preparation, wherein the steels whose rockwell hardness is equal or lesser than 65 is minutely processed into the ring base according to a needed shape of a ring, a high hardness wear resistant layer is coated on the ring base, the thickness D of the high hardness wear resistant layer is equal or greater than 1micron and is equal or lesser than 30 micron. The process for preparation is that the steels are orderly processed into ring blank through blanking, then the ring blank is processed into the ring base whose spherical degree is lower than 40 micron and smoothness is lower than 10 micron through rough turning and finish turning, and then a product is obtained through the surface hardening wear-resistant treatment of the ring base. The invention overcomes technology bias, both is capable of observably improving the precision of the cotton spinning ring, and meets the requirements of high hardness wear resistance lubrication of the surface of the cotton spinning ring. The process for preparation not only has simple process and very easiest operation, but also observably reduces the manufacturing cost, and prolongs the service life of the cotton spinning ring.

The invention relates to a non-contact electrical discharge machining system, comprising a non-contact electrical discharge machining electricity introduction system that is of inside-outside separate structure. Electricity is transferred to a tool electrode in wireless transmission manner; in this way, the structure can be compacted, good dynamic balance can be provided for a hilt, and high spindle speed can be achieved. In addition, high-speed rotation of a spindle can further accelerate flowing of an inter-electrode working fluid, discharge chips can be removed quickly, and fine electrical discharge machining efficiency is further improved. By increasing the spindle speed, it is possible to inhibit discharge concentration and abnormal arc discharge, pulse utilization rate can be increased, and machining speed is further increased.

The invention discloses a striking defoaming device for online conveying bottle bodies, and a defoaming method thereof, belongs to the field of defoaming devices, and concretely provides a striking defoaming device for online conveying bottle bodies, capable of eliminating bubbles adhered to bottle walls and effectively improving the striking defoaming effect, and a defoaming method thereof. The striking defoaming device comprises a mounting seat, a striking mechanism and a driving mechanism; and the striking mechanism comprises a rotating shaft and a striking body, one end of the rotating shaft is mounted on the mounting seat, the striking body is mounted at the other end of the rotating shaft, the driving mechanism drives the rotating shaft to rotate, the locus of the striking body rotating with the rotating shaft interferes the bottle bodies conveyed by a conveying line, the striking body is an O-shaped rubber ring, and the plane of the O-shaped rubber ring is perpendicular to the axis of the rotating shaft. The O-shaped rubber ring adopted as the striking body can avoid damages to the bottle bodies, and also can effectively improve the striking defoaming effect of the striking on the bottle bodies.

Introduced is a device to reduce disk drive power consumption during start-up. In one embodiment the device provides for (1) a speed control module associated with a disk drive motor; and (2) a controller coupled to the speed control module that incrementally increases the spindle rotational speed of the disk drive motor during start-up.

A spinning device, for a ring spinning or ring twisting machine, having a spinning spindle for holding a yarn tube such that the yarn tube is oriented coaxial with a spindle axis, a spinning ring for guiding, on the outside thereof, a yarn to be wound on the yarn tube, the spinning ring being arranged coaxial with the spindle axis, and a spinning-ring guiding unit arranged coaxial with the spindle axis, wherein the spinning ring is floatingly fixed at the spinning-ring guiding unit in the spindle-axis direction. In order to provide a spinning device and a spinning machine having a spinning device which allow a spinning process to be reliably performed without limitation of the spindle speed and without use of a ring traveller, a balloon limiter tube is arranged coaxial with the spindle axis such that the yarn is guided on an inner face of the balloon limiter tube.