31results about How to "Smooth operation at high speed" patented technology

The invention discloses a high-precision numerical-control centerless machine tool spindle. The high-precision numerical-control centerless machine tool spindle comprises a spindle engine body, a central spindle, a bearing component, a right end cover and a driving wheel, wherein one end of the spindle engine body is fixed on a machine tool through a fixing part, and the other end of the spindle engine body is locked on the machine tool through a spindle locking block; the bearing component is sleeved on the central spindle, and the spindle engine body is sleeved on the bearing component; the bearing component comprises a first bearing pack, a bearing distance sleeve and a second bearing pack which are sleeved on the central spindle in sequence and in parallel; a first step and a bearing locking block propped against the bearing component are respectively arranged at two ends of the bearing component; the right end cover is sleeved on the central spindle and fixed on the right end face of the spindle engine body; a stop block propped against the first bearing pack is arranged on the right end cover; a convex wall is arranged on the inner wall of the spindle engine body, the right end of the convex wall is propped against the left end face of the first bearing pack, and the left end of the convex wall is in clearance fit with the right end face of the second bearing pack. The high-precision numerical-control centerless machine tool spindle disclosed by the invention has the characteristics of high precision, stable high-speed operation, and long service life.

The invention relates to a nickel sulfate evaporative crystallization process which comprises the following steps: S1, fresh steam supplies heat to a heat exchanger group, a first evaporation and concentration device and a second evaporation and concentration device; S2, a material enters the heat exchanger group to be pre-heated, then enters the first evaporation and concentration deice after being preheated, and when the material reaches an expected concentration in a gas-liquid separator, the material enters the second evaporation and concentration device to be further evaporated and concentrated; and S3, the material meeting the expected concentration value in the second evaporation and concentration device is discharged from a discharge port and enters a cooling kettle to be cooled, then enters a centrifugal machine to be separated and crystallized, and finally, a product is discharged from the centrifugal machine, and the separated mother liquor is stored in a mother liquor tank. The nickel sulfate evaporative crystallization process provided by the invention is stable and reliable, energy-saving and emission-reducing, small in occupied area and low in cost.

The invention discloses full-automatic vertical type combining and conveying equipment for plates, bowls and cups and an application method of full-automatic vertical type combining and conveying equipment. The full-automatic vertical type combining and conveying equipment comprises a plurality of conveying lines for conveying the plates, the bowls and the cups, wherein the conveying lines are combined into one conveying line at the tail end of one of the conveying lines. The full-automatic vertical type combining and conveying equipment has the advantages that the defect that bone plates, soup bowls, rice bowls, tea cups, water cups, spoons and dip bowls are combined by manually-operated combining and packaging equipment in the prior art is overcome, and the advanced and efficient production line combining and conveying equipment can integrally combine the bone plates, soup bowls, rice bowls, tea cups, water cups, spoons and dip bowls on the same operation platform during high-speed conveying.

A bearing cage and a bearing are provided. The invention relates to the technical field of bearing, by designing a bearing cage with a conical arc structure at the bottom between pockets and a groovestructure at the bottom, the technical problem of reducing the service life of the bearing due to factors such as instability of the cage during high-speed operation, uneven distribution of internal lubricating grease, instability of the pocket shape and the like existing in the prior art is solved. The bearing cage includes a cage body provided with a plurality of pocket holes and a groove structure at the bottom of the cage; the bottom between adjacent pockets is provided with a conical arc structure. The bearing cage is used for the bearing, can keep the stable running of the bearing cage.The grease is distributed uniformly, the wall thickness between the arc surface at the bottom of the outer diameter and the inner surface of the pocket is consistent (close) with the wall thickness between the arc surface at the bottom of the cage and the inner surface of the pocket, so that the expansion amounts of the two materials are consistent (close) to ensure the shape of the pocket to be stable, so that the steel ball is guided normally and the service life of the bearing is prolonged.

The invention discloses a BT knife handle high-speed cutting mechanism and a use method and belongs to the technical field of numerically-controlled machine tool cutting machining. The BT knife handle high-speed cutting mechanism comprises a BT knife handle, a main shaft, a knife pulling mechanism, a pop-rivet and a cushion cover, wherein the end face of the non tool installation end of the BT knife handle is a knife handle rear end face, a circular cone frustum is arranged on the center position of the knife handle rear end face, the pop-rivet is installed on the center position of the end face of the circular cone frustum, the main shaft is a hollow shaft, the end face of the end, close to the rear end face of the knife handle, of the main shaft is a main shaft front end face, a taper hole is formed in the center portion of the main shaft front end face, the shape of the taper hole is matched with that of the circular cone frustum, the circular cone frustum is installed in the taper hole, the cushion cover is arranged between the knife handle rear end face and the main shaft front end face, the knife pulling mechanism is installed in a main shaft center cavity, and the knife pulling mechanism is connected with the pop-rivet in a clamped mode. By means of the BT knife handle high-speed cutting mechanism and the use method, the high-speed cutting of the BT knife handle is achieved, the contact rigidity and the repeated positioning accuracy of the BT knife handle are high, the high-speed cutting machining precision and the efficiency are high, the service lives of a tool and a machine tool are prolonged, and the BT knife handle can replace an HSK knife handle to be used.

The invention discloses a high-speed high-power density AC servo motor, which belongs to the technical field of motors. The high-speed high-power density AC servo motor comprises a stator part and a rotor part, wherein the stator part comprises a frame, a stator iron core, stator windings, end covers and bearings; the rotor part comprises a rotation shaft, rotor magnetizers, permanent magnets and a stainless steel band; two ends of the frame are provided with the front end cover and the rear end cover; the frame is internally provided with the rotation shaft, the stator iron core, the stator windings and the rotor part; the rotor magnetizers sleeve the rotation shaft, the tile-shaped permanent magnets are adhesive to the outer surface, and an air gap magnetic field is generated; cast aluminum alloy is adopted to cast the frame, the front end cover and the rear end cover, and thermal processing is carried out; silicon steel sheets are adopted to process the stator iron core, and the oxide layer on the surface of the silicon steel sheet serves as inter-sheet insulation; the inner circle of the iron core ring is uniformly provided with grooves parallel with the axis, the stator windings are embedded in the grooves, and each stator winding adopts a high temperature-resisting copper wire; the rotor part is assembled; and the stator part and the rotor part are combined together. The rotation speed of the motor is high, the power density is large, and the operation is steady.

The invention provides a wire discharging machine. The wire discharging machine comprises a box body and a wire discharging head, wherein the wire discharging head comprises a main shaft, and the main shaft is mounted in a bore hole of the box body through a main bearing. The wire discharging machine further comprises an elastic mounting member, wherein the elastic mounting member is arranged on the box body, supports the main bearing and is used for enabling the main bearing to drive the main shaft to achieve the movement of a predetermined range in the bore hole along a predetermined direction. The elastic mounting member can offset vibration generated during the operation of the main bearing; a load caused by the high-frequency vibration and shock of the main bearing is reduced, the service life of the main bearing and the service life of the wire discharging head are prolonged, the operating efficiency of the wire discharging head is increased, and the production and repair costs are reduced. According to the embodiments of the invention, a flexible support is increased by the main bearing, and the high-speed operation is more stable, so that the wire discharging speed of the wire discharging machine can be increased, and then, the yield of a high-speed wire production line is increased.