Mold accessories refer to the general term for metal accessories exclusively used in the mold industry for stamping molds, plastic molds, or FA automation equipment. Mold accessories include: punch, punch, guide post, guide sleeve, ejector pin, driver, steel ball sleeve, oil-free guide sleeve, oil-free sliding plate, guide post components, etc.
Plastic mold accessories
Single section shoot, double section shoot, double section shoot, flat tip, flat tip, positioning column, plastic mold guide sleeve, straight sleeve, middle pillar sleeve, plastic mold guide sleeve, straight sleeve, middle bracket sleeve, positioning column, square auxiliary device, three-dimensional positioning block group guide auxiliary device, A, B, C type nozzle, fixing ring A, B type, standard mechanical switch, square auxiliary device, small nozzle standard special injection sleeve, large nozzle standard special injection sleeve, mold date indicator, resin switch, water stop plug, finished tip for plastic mold, pen core, pen tube, small rod C type, slant support tip, pulling tip Plastic mold guide posts, pull rods, return pins, springs, thimbles, drivers, garbage nails, etc.
Hardware stamping mold accessories
H-type straight punch, A-type secondary punch, edge forming punch, K-type sprouting punch, B-type guide punch, A-type mother and child punch, convex die, concave die, liner, high-speed steel round rod, ultra-fine particle tungsten steel round rod, powder high-speed steel round rod, floating pin, floating material pin, stop screw, positioning pin (fixed pin), equal height sleeve, guide column, guide sleeve, precision chrome plated guide column, precision copper titanium alloy guide sleeve, self-lubricating guide sleeve, inner guide column component, sliding guide column component for mold seat, ball guide column component for mold seat, detachable ball guide column component, outer guide column component, steel ball sleeve (cage) Independent guide post, hexagonal screw, equal height screw, etc.
Automated mechanical components
Guide shaft support, fixed ring, linear bearing, ball guide shaft, oil-free liner, single axis robot · driver, linear guide rail, linear slide rail · cable protection chain, ball screw · support component, trapezoidal screw · sliding screw, shaft, bearing seat · bearing, cantilever pin · hinge pin · fulcrum step screw, coupling · motor, synchronous belt pulley · idler, synchronous toothed belt, keyless liner, flat belt, circular belt, pulley, idler, roller · conveyor parts, gear, sprocket · chain, conveyor, positioning pin · fixture liner, positioning parts, slide table, lens · LED lighting · inspection stand, sensor · switch, probe, pillar · support · pillar fixing clip, inspection Check fixtures, elbow clamps, round bars, hexagonal profiles, pipes, resin bars, transparent resin, glass? Engineering plastic sheets, sheet metal processing products, sheet metal processing products, washers, collars, washers, screws, washers, nuts, small parts/magnets, springs, buffers, nitrogen springs, polyurethane, rubber, sponge, felt cloth, shock absorption, sound insulation, static electricity, safety protection, manifold blocks, pipes, pipe joints, hoses, valves, pipes, joints, suction parts, nozzles, cylinder related parts, connection parts, heaters, temperature regulation related parts, insulation boards, aluminum alloy profiles, profiles&brackets, accessories for aluminum alloy profiles, high-efficiency particle filters, factory profiles, pipe profiles, face plates? Tablets, casters, adjustment blocks, handles, handwheels, knobs, handles, hinges, door components, angle materials, steel sections, corner seats, reinforcing bars, safety fences, various door components, aluminum alloy profile standard components, etc.
Mold accessories are widely used in various manufacturing fields such as plastic molds, stamping molds, automotive, electrical, and aviation.
1. Wear resistance
When the billet undergoes plastic deformation in the mold cavity, it flows and slides along the surface of the cavity, causing severe friction between the cavity surface and the billet, resulting in the failure of the mold due to wear. So the wear resistance of materials is one of the most basic and important properties of molds.
Hardness is the main factor affecting wear resistance. In general, the higher the hardness of mold parts, the smaller the wear amount, and the better the wear resistance. In addition, wear resistance is also related to the type, quantity, morphology, size, and distribution of carbides in the material.
2. Strong resilience
The working conditions of molds are mostly very harsh, and some often bear large impact loads, leading to brittle fracture. To prevent sudden brittle fracture of mold parts during operation, the mold should have high strength and toughness. The toughness of molds mainly depends on the carbon content, grain size, and microstructure of the material.
3. Fatigue fracture performance
During the working process of molds, long-term cyclic stress often leads to fatigue fracture. Its forms include low-energy multiple impact fatigue fracture, tensile fatigue fracture, contact fatigue fracture, and bending fatigue fracture. The fatigue fracture performance of molds mainly depends on their strength, toughness, hardness, and the content of inclusions in the material.
4. High temperature performance
When the working temperature of the mold is high, it will cause a decrease in hardness and strength, leading to early wear or plastic deformation of the mold and failure. Therefore, the mold material should have high resistance to tempering stability to ensure that the mold has high hardness and strength at working temperature.
5. Cold and hot fatigue resistance performance
Some molds are in a state of repeated heating and cooling during the working process, causing the surface of the mold cavity to be subjected to tensile and compressive stress, resulting in surface cracking and peeling, increasing friction, hindering plastic deformation, reducing dimensional accuracy, and leading to mold failure. Cold and hot fatigue is one of the main forms of failure in hot work molds, and such molds should have high resistance to cold and hot fatigue.
6. Corrosion resistance
Some molds, such as plastic molds, may decompose and release highly corrosive gases such as HCI and HF due to the presence of chlorine, fluorine, and other elements in the plastic during operation. These gases can corrode the surface of the mold cavity, increase its surface roughness, and exacerbate wear and failure.
The materials for mold accessories usually include tungsten steel, high-speed steel, bearing steel, stainless steel, brass, metal alloys, spring steel, carbide steel, and so on.
The rapid development of mold manufacturing technology has become an important component of modern manufacturing technology. Such as CAD/CAM technology for molds, laser rapid prototyping technology for molds, precision forming technology for molds, ultra precision machining technology for molds, dynamic simulation technology for flow, cooling, and heat transfer processes using finite element method and boundary element method in mold design, CIMS technology for molds, DNM technology for molds already under development, and CNC technology, almost all modern manufacturing technologies are covered.
Regular maintenance of mold accessories plays a crucial role in the service life of molds. The annual maintenance program required for each injection molding position depends on different mold cycle times. Here are some maintenance techniques for mold accessories that can be used by each mold user to ensure the effective operation of mold components such as hot runners, heaters, guide posts and ejector pins, molding inserts, etc., in order to prevent unexpected situations from occurring.
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