35results about How to "Improve cutting precision" patented technology

The powered tubing cutter is a hand held, mechanical device driven by a motor for cutting tubing/piping. The device comprises a housing, a drive plate, a main drive shaft, a cutting assembly having a cutting blade, a cam plate and a chain drive secured to a motor housing, having a handle, by a mounting bracket. The chain drive is powered by the motor, which causes the main drive shaft to rotate. The cutting assembly is pivotally secured to a pin on the main drive shaft. The pipe/tube to be cut is placed into the hole in the center of the housing and the main drive shaft. As the cutting assembly rotates with the main drive shaft the cam plate forces the cutting blade into cutting engagement with the tube/pipe.

The invention discloses a cutting and processing device for acrylic products. The cutting and processing device comprises a self-sliding base, a machine body seat, a cooling system, a two-degree-freedom adjustable upright post, a translating device and a cutter, wherein a balancing weight is arranged inside the machine base seat; the cooling system is arranged on the machine body seat; the two-degree-freedom adjustable upright post is positioned on one side of the machine body seat. According to the cutting and processing device disclosed by the invention, the function of discharging and cutting acrylic materials can be realized, and processing operations of chamfering, routing, trimming and the like for the acrylic products can be finished. By using the cooling system, processed materials and tools can be cooled in real time, so the acrylic materials can be prevented from being bonded on the tools; longitudinal sliding and walking of the self-sliding base and translation of the cutter are respectively finished by motor drive, so the automatic degree is higher; for the cutter, corresponding tools can be changed according to the requirement, and the heights and inclined angles of the tools can be adjusted. The cutting and processing device disclosed by the invention has the advantages of compact and simple structure, stable and reliable work, convenience for operation and maintenance, low cost of an entire machine, high cutting and processing precision and the like.

The invention discloses a cutting machine. The cutting machine comprises a frame and a feeding device which is arranged on the frame, wherein a feed inlet, a cutting station and a product collecting station are successively arranged on the frame along the feeding direction of the feeding device; a portal frame is arranged above the cutting station of the frame, the portal frame hoists at least one tool apron for mounting a tool, a mobile device which drives the tool apron to move in a three-dimensional space is arranged between the portal frame and the tool apron, and a traction material pressing device and a fixed pressing device are successively arranged along the feeding direction between the feed inlet and the cutting station. Cloth and a conveyor belt are clamped together and moved through the traction pressing device, so that the cloth in the transfer process is not staggered, and meanwhile, the cloth is tightly pressed to the conveyor belt through the fixed pressing device, so that the cloth cutting consistency and precision are guaranteed, and the problem that the cloth which is cut is easy to be staggered is solved.

The invention discloses an electromagnetic coreless fixture with a locating ring capable of axially floating. Above a main shaft are arranged an inner magnetic pole, a magnetic shield ring, an inner floating ring and an outer floating ring, and on the inner floating ring is arranged a conical surface pocket provided with a ceramic ball. The inventive electromagnetic coreless fixture can avoid direct fixation of the locating ring on the main shaft to form rigid connection, which leads to direct influence of main shaft vibration and side swing on stability of the locating ring and a workpiece mounted on the locating ring; and effectively reduce the adverse effects of axial movement of the main shaft and workpiece outer diameter vertical deviation through floating connection formed between the inner and the outer floating ring by pocket connection, improve workpiece machining precision, effectively improve product quality and yield and production efficiency and effectively lower production costs.

The invention relates to the field of laser cutting devices, in particular to a central support for laser pipe cutting. The outer ring of a large-through-hole bearing is fixed to a fixing base. A frameless motor is arranged on one side of the large-through-hole bearing. A slip ring is arranged on the other side of the large-through-hole bearing. A rotor of the frameless motor, the inner ring of the large-through-hole bearing and a rotary slip ring body of the slip ring are connected in sequence and have the same rotation axis. An idler wheel connecting disk is fixed to the rotating slip ring body, and the rotation axes of the idler wheel connecting disk and the rotating slip ring body are identical. Two pairs of parallel guide rails are arranged on the other side of the idler wheel connecting disk, wherein the two pairs of parallel guide rails are perpendicular to each other. Each pair of parallel guide rails is movably provided with two sliding plates. Each sliding plate is provided with an idler wheel. The four idler wheels face the rotation axis of the idler wheel connecting disk. Each idler wheel is connected with a stepping motor. The frameless motor and the stepping motors are connected with an externally arranged controller. By the adoption of the central support for laser pipe cutting, stable and synchronous rotation of the pipes can be achieved; the central support is suitable for supporting various pipes, and the cutting precision is high.

A fixed abrasive grain wire saw that can improve precision of a cut plane of a workpiece and grinding efficiency and can prolong product life, a method of manufacturing the fixed abrasive grain wire saw, and a method of machining a workpiece by the fixed abrasive grain wire-saw. To fasten abrasive grains to an outer circumferential surface of a metal core wire, a plurality of transfer rollers, in each of which many tiny holes filled with an adhesive are formed, are used to transfer the adhesive to the outer circumferential surface of the core wire to form, on the outer circumferential surface, a plurality of rows of punctiform adhesive layers that are linearly arrayed in the axial direction at regular intervals. The abrasive grains are tentatively fastened to the adhesive layers, after which the abrasive grains are permanently fastened with a metal plated layer formed by electrolytic deposition.

There is provided a laminated piezoelectric ceramic element manufacturing method, wherein, even when the number of internal electrode laminations is increased, the lamination and cutting steps can be simplified, to enhance cutting precision and make cutting cost low. A first laminated body having stripe-like internal electrodes is cut into a plurality of second laminated bodies so as to have a width-direction dimension W corresponding to a width dimension of a laminated piezoelectric ceramic element chip to be ultimately obtained. Two or more second laminated bodies are laminated in the laminating direction to obtain a third laminated body, and the third laminated body is cut in the laminating direction and parallel to the width direction W to obtain a laminated piezoelectric body.

The invention relates to a numerical-control double-cutter-head gear milling machine for straight bevel gears. The numerical-control double-cutter-head gear milling machine comprises a tool body assembly, a main driving box assembly, a cradle assembly, a cutting tool box assembly, a workpiece box assembly, a saddle turnplate assembly and the like. The numerical-control double-cutter-head gear milling machine is characterized in that the cutting tool box assembly comprises an upper tool holder component, a lower tool holder component, an upper tool box component, a lower tool box component, an upper-lower tool holder angle adjusting mechanism, an upper tool box transverse movement adjusting device and a lower tool box transverse movement adjusting device, and the upper tool holder component, the lower tool holder component, the upper tool box component, the lower tool box component, the upper-lower tool holder angle adjusting mechanism, the upper tool box transverse movement adjusting device and the lower tool box transverse movement adjusting device are installed on drum wheels of the cradle assembly. A spring damping device used for eliminating movement gaps during scale division actions is arranged in the workpiece box assembly. The numerical-control double-cutter-head gear milling machine has the advantages that the overall rigidity of a gear machine tool can be improved, the structure of the machine tool, various movement axis transmission chains and adjustment calculation programs are sufficiently simplified, the manufacturing cost is reduced, and the gear cutting machining accuracy is substantially improved; large-scale gear machining can be achieved, and requirements for machining a single gear or a small batch of various gears can be met.

The invention relates to a fan-shaped combing, flying and dyeing all-in-one machine which comprises an assembling platform, a rotating disc, a first driving mechanism, a positioning assembly, a flying mechanism, a dyeing head mechanism and a feeding and discharging mechanism. The invention provides the special automatic equipment for performing flying and head dyeing treatment on the comb needles on the fan-shaped comb, the processes of feeding, comb needle grinding and cutting, head dyeing and discharging are performed in a reciprocating manner, and structures matched with the fan-shaped structure of the comb are arranged on the positioning assembly during the comb needle grinding and cutting and head dyeing treatment, so that the comb needle grinding and cutting efficiency is improved, and the comb needle grinding and cutting efficiency is improved. The grinding and cutting amount of the card wires is always kept consistent along with the rotation of the fan-shaped structure, so that the grinding and cutting precision is effectively improved; meanwhile, the whole process does not need manual participation, so that the influence of human factors is reduced, the quality stability of combs produced in the same batch is improved, and the production cost of the combs is reduced.

A ribbon includes at least one dye region, at least one separating region and at least one recognition dye region. Each of the dye regions includes a plurality of dye zones. The separating region is formed on a side of the dye region for separating different dye regions. The recognition dye region is formed on the separating region or formed within a range covered by the corresponding dye region. A thermal print head of a thermal sublimation printer transfers the dye region and the recognition dye region of the ribbon onto a print medium, so as to form an image area and a recognition mark on the print medium, correspondingly. A cutting mechanism of the thermal sublimation printer is used for cutting the print medium when a sensor of the thermal sublimation printer senses the recognition mark.

The invention provides an automatic-control electric pencil sharpener. The automatic-control electric pencil sharpener comprises a machine body. A rotary pencil sharpener body is arranged in the machine body. A motor is arranged beside the rotary pencil sharpener body. The motor is in transmission with the rotary pencil sharpener body through a linkage gear. A clamping device is arranged above the rotary pencil sharpener body. A pencil above the rotary pencil sharpener body is clamped through the clamping device. A pencil inlet is formed in the portion, over the rotary pencil sharpener body, of the machine body. The pencil is inserted into the machine body through the sharpener inlet in the machine body, the rotary pencil sharpener body is driven by the motor to sharpen the pencil, and the pencil is fixed through the clamping device; the sharpening precision is improved, the structure is compact, the design is reasonable, and pencil sharpening is completed fully automatically without intervention; and since the rotary pencil sharpener body is arranged in the machine body, children cannot make contact with the rotary pencil sharpener body, and thus the children are protected against possible safety accidents while high efficiency is achieved.

The invention relates to a cutter box transmission device of a numerical control double-cutter-head straight bevel gear milling machine. The cutter box transmission device is characterized in that the cutter box transmission device comprises an upper cutter rest seat transmission mechanism, a lower cutter rest seat transmission mechanism, an upper cutter rest transmission mechanism and a lower cutter rest transmission mechanism; the upper cutter rest seat transmission mechanism and a cradle assembly inner transmission wheel A form a transmission chain through a first straight gear and an upper transmission intermediate wheel; the lower cutter rest seat transmission mechanism and a cradle assembly inner transmission wheel B form a transmission chain through a second straight gear and a pair of lower transmission intermediate wheels; the upper cutter rest transmission mechanism forms a transmission chain through a second bevel gear shaft, a second bevel gear, a third bevel gear shaft and a third bevel gear; and the lower cutter rest transmission mechanism forms a transmission chain through a fifth bevel gear shaft, a fourth bevel gear, a sixth bevel gear shaft and a sixth bevel gear. The cutter box transmission device has the beneficial effects that the machine tool structure and all the movement shaft transmission chains can be sufficiently simplified, the manufacturing cost can be reduced, and the gear cutting precision can be greatly improved; and batch gear machining can be achieved, and the production requirements for small and medium batches and multiple varieties can be met.

The invention belongs to the technical field of plate processing, and particularly relates to a plate production and processing shifting device and method, the plate production and processing shifting device comprises a fixed bottom plate, the left side of the lower surface of the fixed bottom plate is fixedly connected with a propelling device, and the right side of the upper surface of the fixed bottom plate is fixedly connected with a feeding device; a plate machining table is fixedly connected to the left side of the upper surface of the fixed bottom plate, a control displacement device is movably connected to the upper surface of the plate machining table, and a correcting device is arranged on the lower surface of the control displacement device. In the process of using the device to replace plates, an operator can always keep an absolute safe distance from related machining devices such as a plate machining table, the risk that the operator is hurt by internal sharp objects such as a cutting tool during plate replacement is avoided, manual operation or mechanical operation can be carried out, and the plate replacement efficiency is improved. And good conditions are created for automatic production, so that the feeding and discharging speed is increased, and the production efficiency is improved.

The invention relates to a comb flying and dyeing all-in-one machine which comprises a rotary table, a plurality of positioning assemblies, a flying mechanism, a flexible blocking piece and a dyeing head mechanism, and the positioning assemblies are arranged on operation stations respectively and used for conveying to-be-processed combs in the circumferential direction of the rotary table. The invention provides automatic equipment special for integrated treatment of flying hair and head dyeing of DP combs, the process of feeding, card wire grinding and cutting, head dyeing and discharging is carried out in a reciprocating mode, only the ends of card wires can be ground and cut through a flexible blocking piece when the card wires are ground and cut, accidental damage to the ends of plastic sleeves is avoided, and the grinding and cutting precision can be effectively improved; meanwhile, the whole process does not need manual participation, so that the influence of human factors is reduced, the quality stability of combs produced in the same batch is improved, and the production cost of the combs is reduced.

The invention relates to a flying device and method for a comb flying and dyeing all-in-one machine, and the device comprises a positioning assembly which comprises a clamping sleeve used for fixing a to-be-processed comb; the flying mechanism is close to the edge of the turntable, is arranged on the assembly platform and is provided with a flying cutter group which can be in contact with comb needles of the comb to grind and cut the comb in a state that the jacket moves downwards; and the flexible blocking piece is integrated with the flying mechanism and is used for allowing card wires of a comb to penetrate through to be matched with the flying knife group for sanding so as to prevent plastic sleeves on the peripheries of the card wires from being in contact with the flying knife group. When the card wires are abraded and cut, the card wires penetrate through the flexible blocking piece and make contact with the fly hair cutter set located below the flexible blocking piece for abrading and cutting, and the plastic sleeve is blocked on the flexible blocking piece and does not participate in abrading and cutting, so that only the ends of the card wires are abraded and cut, the ends of the plastic sleeve are prevented from being accidentally damaged, the abrading and cutting precision can be effectively improved, and the service life of the card wires is prolonged. Therefore, the quality stability of combs produced in the same batch is improved.