36results about How to "Reduce cutting waste" patented technology

The invention belongs to the technical field of continuous casting and particularly provides a method for on-line thermal-state high-speed adjustment of the crystallizer width. According to the method for on-line thermal-state high-speed adjustment of the crystallizer width, based on the character that the molten steel solidifies and contracts in a crystallizer, a reasonable crystallizer widening or narrowing mechanism is determined, the adjustment limiting speed of crystallizer widening or narrowing is derived, and the best on-line thermal-state high-speed width adjustment parameter of the crystallizer is selected according to actual production needs. By the adoption of the method for on-line thermal-state high-speed adjustment of the crystallizer width, an air gap between a blank shell and a casting blank in the thermal-state widening or narrowing process is eliminated, and the stress borne by the blank shell is low and uniform; and meanwhile, under the condition of not lowering the drawing rate, the speed of widening or narrowing is improved.

A photosensitive planographic printing plate which can avoid quality defects such as residue films and the like and improve yield, and a fabrication process thereof. A coating layer of a region corresponding to an edge portion of a PS plate is preparatorily cleared by coating removal. Hence, pressure fogging which is formed by pressure at a time of cutting of a web will not occur.

The invention discloses a ceramic part layout structure and a common-edge machining method, and aims to improve the utilization rate of ceramic raw materials, avoid waste of resources, and greatly reduce the processing cost. The structure comprises a material belt, a plurality of ceramic piece pairs which are uniformly arranged at interval are fixed on the material belt, the ceramic piece pairs are obliquely arranged on the material belt, each ceramic piece pair comprises a first ceramic piece and a second ceramic piece which are arranged by sharing an edge, one side of the first ceramic pieceand one side of the second ceramic piece are overlapped to serve as a common edge, and the first ceramic piece and the second ceramic piece are arranged in a central symmetry mode by taking the midpoint of the common edge as the center.

The invention relates to hot-rolled inequilateral channel steel. The hot-rolled inequilateral channel steel comprises a web and wing plates, wherein the wing plates comprise a first wing plate and a second wing plate; two ends of the web are connected with the first wing plate and the second wing plate respectively; the first wing plate and the second wing plate are located on the same side of the web, are parallel to each other and perpendicular to the web; and the height of the first wing plate is larger than that of the second wing plate. According to the hot-rolled inequilateral channel steel, the first wing plate and the second wing plate adopt an inequilateral design, the first wing plate is higher than the second wing plate by 5-30 mm, so that in combination production of a forklift truck gantry and under the same bearing capacity, steel material consumption is reduced, dead weight of a gantry system is reduced wholly, and the manufacturing cost of the gantry is reduced; and meanwhile, due to the inequilateral channel steel design, the inequilateral channel steel is attractive in appearance, not easy to deform and higher in bending resistibility, stable running of the roller is guaranteed, friction period between the roller and section steel is prolonged, and the service life of the channel steel is prolonged.

The invention provides a chain sheet punching method. A plurality of rows of chain sheet units can be punched on a metal plate and strip, each row of the chain sheet units comprise a plurality of chain sheets connected end to end, the metal plate and strip intermittently proceeds in a length direction, and each chain sheet is provided with two straight edges parallel to the length direction, two end edges respectively connected with the straight edges and arranged in tandem at intervals, and two penetration holes respectively close to the end edges. The chain sheet punching method comprises the following steps: a punching step for forming penetration holes of a chain sheet and a blanking step for forming the outline of the chain sheet, wherein in the blanking step, the end edges of the chain sheets in each row of chain sheet units to be cut are connected end to end, and the straight edges of the chain sheets in the chain sheet units which are adjacent left and right are staggered in tandem and partially overlapped. Through the design, the purposes of reducing waste materials and lowering the material cost are achieved.

The invention discloses a large-sized melon and fruit peeling device for vegetable distribution. The large-sized melon and fruit peeling device is characterized in that by inflating annular airbags, cutting knives on the airbags fit with the surfaces of the melons and fruits to peel the melons and fruits by coordination of suspension. The large-sized melon and fruit peeling device is characterizedin that a main body cylinder is arranged on a fixed frame, gas injection holes are formed in the main body cylinder, multiple sections of discontinuous trapezoidal threads are formed in the inner wall of the main body cylinder, the minor diameter of the threads is smaller than the inner diameter of the main body cylinder, an arc-shaped support plate is arranged on the inner wall of a main body box and positioned at one end, an annular groove is formed in the arc-shaped support plate, a protective cover plate is arranged at the other end of the main body cylinder, a guide sleeve is arranged onan inner ring of the protective cover plate, a plurality of support rollers are arranged at equidistance on the side wall of the guide sleeve, and the support rollers can be telescopically regulatedalong the radial direction of the main body cylinder and can reduce peeling waste of the melons and fruits; and the cutting knives fit with the surfaces of the melons and fruits and can effectively improve the efficiency and effects in peeling the melons and fruits.

A method for manufacturing a preferably asymmetrical lens element (5a) from a tempered blank (1) is characterized by: producing the lens element (5a) from a first partial volume (1a) of the tempered blank (1), whose thickness d is less than approximately 70%, preferably less than approximately 60%, particularly preferably less than approximately 50% of the thickness D of the tempered blank (1). Preferably, from a second partial volume (1b) of the tempered blank (1) at least a further lens element (5a′) is produced, wherein before the lens elements (5a, 5a′) are produced the tempered blank (1) is divided into the first and second partial volume (1a, 1b).

The invention discloses a full-automatic comb foundation machine. The full-automatic comb foundation machine comprises a feeding box, a water collecting tank, a control cabinet and a machine frame. The machine frame is arranged transversely, a roll-in forming device, a width trimming device, a conveying device, a cutting device and a storage device are sequentially arranged on the machine frame from left to right, the feeding box is arranged on the roll-in forming device, the water collecting tank is arranged on the position, under the roll-in forming device, of the machine frame, and the control cabinet is arranged on the front side surface of the roll-in forming device. The full-automatic comb foundation machine has a simple and ingenious structure, the devices cooperate with each otherin a coherent mode, mass mechanized production of comb foundation can be realized, the investment of labor cost can be greatly reduced, the yield of the comb foundation is ensured, higher guarantee ofthe quality of the comb foundation is realized, waste production is reduced, the cost input is saved, the manufacturing cost of the full-automatic comb foundation machine is low, and popularization of the market is facilitated.

The invention discloses a packing strap cutting device. The packing strap cutting device comprises a base, a switch blade, a first fixed platform and a second fixed platform. The switch blade is perpendicular to the base and comprises a main knife and an auxiliary knife. The corresponding ends of the main knife and the auxiliary knife are in pin joint, and the auxiliary knife is fixed to the base.The first fixed platform and the second fixed platform are oppositely arranged in the length direction of the base and are both fixedly connected with the base. The first fixed platform is located onthe side, away from the auxiliary knife, of the main knife, and the second fixed platform is located on the side, away from the main knife, of the auxiliary knife and is fixedly connected with the auxiliary knife. The first fixed platform and the second fixed platform are provided with multiple guide rails in the width direction of the base. The guide rails extend in the length direction of the base. Each guide rail is used for limiting movement of a corresponding packing strap in the width direction of the base. According to the packing strap cutting device, the field work efficiency is greatly improved, and cutting waste of the field packing straps is reduced to the maximum degree; and meanwhile, the packing strap cutting device is simple in structure and convenient to carry.

The invention discloses a manufacturing method of a cutting piece, and belongs to the field of abrasive grinding tools. The manufacturing method comprises the following steps that 1, metal wires are woven into a metal net; 2, the metal net is cut into an annular shape; 3, phenolic resin is coated near inner holes of the annular metal net, and the coating thickness is ensured to meet the requirements; 4, the metal net is placed into electroplating equipment for electroplating diamond; and 5, white corundum, anhydrous gypsum, the phenolic resin, asphalt and an additive are crushed and sieved, and then mixed and stirred evenly to form an abrasive mixture. The manufacturing method of the cutting piece has the characteristics that the thinner cutting piece can be manufactured, and the manufactured cutting piece is long in service life and can be used for cutting hard objects.

The invention relates to the technical field of pole piece processing, and discloses a pole piece laser cutting system and method. Laser cutting is performed on the to-be-cut sheet in a scanning field of view to form a pole ear, and at the same time, the laser beam emitted by the second laser is also transmitted through the second scanning galvanometer to the to-be-cut sheet in the preset second scanning field of view The laser cutting is performed on the body, and the first scanning galvanometer and the second scanning galvanometer are also used to perform laser cutting on the to-be-cut piece body according to their corresponding preset pole piece division paths, and the to-be-cut piece body is divided into a plurality of pole pieces, A plurality of pole pieces are equipped with pole lugs, wherein the width of the piece to be cut is equal to the sum of the widths of the plurality of pole pieces, which facilitates batch cutting of pole pieces, improves the processing efficiency of pole pieces, and greatly reduces cutting waste. .

The invention discloses a front sub frame reinforcing support. The front sub frame reinforcing support comprises a reinforcing support body; reinforcing support sleeves are welded at the upper ends ofthe two sides of the reinforcing support body and are respectively a first reinforcing support sleeve and a second reinforcing support sleeve; the cross section of the reinforcing support body is ofan Omega shape; a reinforcing support left front mounting hole and a reinforcing support right front mounting hole are formed in the front end of the reinforcing support body; the reinforcing supportleft front mounting hole and the reinforcing support right front mounting hole are of Y-direction waist-shaped holes; X-direction water drain grooves are formed in the reinforcing support left front mounting hole and the reinforcing support right front mounting hole; flexible mounting cover plates are arranged at the upper ends of the reinforcing support left front mounting hole and the reinforcing support right front mounting hole and are respectively a first flexible mounting cover plate and a second flexible mounting cover plate; the lower end surfaces of the flexible mounting cover platesare high-strength plate bodies which are directly connected with a hexagon flange bolt; and the reinforcing support body, the flexible mounting cover plates and a front sub frame assembly are connected with a vehicle body longitudinal beam assembly by sharing a hexagon flange bolt.

The invention discloses a numerical control machine tool convenient for PCB positioning. The numerical control machine tool comprises a machine tool platform, a controller and a partition plate, wherein a left side positioning unit is arranged on the inner wall of the machine tool platform, and a right side positioning unit is slidably connected between the front inner wall and the rear inner wall of the machine tool platform; the left side positioning unit comprises a fixing seat, and the fixing seat is fixedly connected to the inner wall of the machine tool platform through a mounting block; and a lead screw is rotationally connected between the inner wall of the machine tool platform and the partition plate, the lead screw is rotationally connected with the outer wall of the fixing seat, the portion, penetrating out of the outer wall of the machine tool platform, of the lead screw is provided with a driving mechanism I used for driving the lead screw to rotate, and the portion, between the fixing seat and the partition plate, of the outer wall of the lead screw is in threaded connection with a fourth hinge seat. According to the numerical control machine tool convenient for PCB positioning, through the cooperation of the structures, the numerical control machine tool can position a rectangular diagonal type PCB positioning hole, and can be suitable for non-standard PCBs with special specifications and can realize the positioning of some PCBs with special shapes.

The invention discloses a bridge steel strand integral strand penetrating device and belongs to the technical field of bridge construction. The bridge steel strand integral strand penetrating device comprises a rectangular sealing box body and further comprises a strand pulling conveying mechanism, wherein the strand pulling conveying mechanism is installed in the rectangular sealing box body and used for transmitting a plurality of cables at the same time and locking a strand penetrating head through a steel strand; the strand pulling conveying mechanism is installed in the rectangular sealing box body and is arranged in parallel with the strand pulling conveying mechanism to be in butt joint with the strand pulling conveying mechanism, multiple cables are connected to conduct synchronous strand conveying, the clamping locking mechanism is arranged on the outer side of a steel strand locking strand pulling head, and the steel strand locking strand pulling head is automatically and fixedly connected with the multiple cables. According to the invention, a plurality of steel strands sequentially penetrate from one end of the rectangular sealing box body, are connected and fixed by the steel strand locking and strand pulling head, and then are differently pulled by the strand pulling conveying mechanism, so strand pulling efficiency can be improved, bending can be avoided, the strand pulling length can be better controlled, and the cutting waste can be reduced.