897results about "Extrusion cleaning devices" patented technology

The apparatus includes a track mounted in the inlet of a compressor. A manipulator is mounted for movement about the track and carries three modules, the last of which mounts a tool head for movement in a Cartesian coordinate system and about the track. A measuring head measures the location of the airfoil surface. An abrading tool mounted on the third module removes surface material from the airfoil. Subsequently, a shot-peening device, either a flapper with embedded shot or free shot is impacted against the abraded surface to strengthen the surface. Final inspection is performed by a light and camera head mounted on the third module.

The invention discloses a production process of a contact net anchorage steel wire rope. The production process comprises the following steps: carrying out surface acid cleaning and phosphating; drawing; carrying out lead bath heat treatment; galvanizing; drawing; detecting; entwisting; stranding; forging; and greasing. The production process has the advantages of convenience in operation and time-saving and labor-saving properties; and the produced contact net anchorage steel wire rope has the advantages of high breaking force, long fatigue service life, good abrasion resistance and good corrosion resistance.

A method for efficient production of a welding solid wire free of copper plating. The method consists of drawing by means of roller dies with the help of a dry solid lubricant for drawing which is at least either of sodium stearate or potassium stearate, removing the lubricant from the wire surface by means of a washing device, and applying a lubricant for wire feeding to the surface of the drawn wire by means of an oiling device. High-speed drawing by means of roller dies makes a stock wire into a welding solid wire having the diameter of the finished wire or nearly finished wire. The drawing step is followed by the washing step and the lubricant applying step, which are all accomplished in-line.

An apparatus and method of removing scale from the surfaces of processed sheet metal employs high pressure jets of water directed from nozzles positioned in close proximity to the sheet metal surfaces.

The invention relates to a method for removing an oxidation layer on titanium and titanium alloy wires and a device thereof. The method includes the following steps: 1. straightening: a straightening machine is used for straightening the titanium and titanium alloy wires; 2. phosphorus removal: a steel wheel phosphorus removal machine is used for removing the oxidation layer on the surface of the titanium and titanium alloy wires; 3. polishing: a sand belt wheel polisher is used for polishing the surface of the titanium and titanium alloy wires. The device is sequentially provided from left to right with a pay-off stand (1), a clamping device (2), a heating device (8), a straightening device (3), two steel wheel phosphorus removal machines (13), sand belt wheel polishers (14), a guide and guard (6) and a vertical down drawing machine (7). On the basis of the present steel wheel phosphorus removal machine, the method is additionally provided with a heating device, a phosphorus removing and polishing machine, a cooling device, a dust removing device and a tension device, thereby forming a production line for removing the oxidation layer on a large and heavy titanium alloy wire, so as to reach the purpose of removing the oxidation layer and polishing.

This invention relates to a preparation method for special steel woven filaments for communication cable shield layers including rough drawing, plating, mid-drawing, fine-drawing and annealing of copper-wrapped steel filaments with the mechanical performance approaching to copper wires, the extension rate of which reaches to 20% and the tensile strength reaches to that of copper wires, so it will not be broken when used in weaving cable shield layers and the product will not be hard and keep fine flexibility.

The present invention relates to a steel wire rust-removing method and its equipment. Said method mainly includes the following two steps: firstly, mechanically-loosening rusty steel wire by utilizing a group of stripping rollers to make the rust on the steel wire surface be loosened; then brushing the rusty steel wire surface by adopting a steel wire rust-removing device. Said steel wire rust-removing equipment includes the following several portions: a supporting frame, a hollow main shaft, a rotary disk, a rust-removing roller, a pair of front guide sleeves and a pair of rear guide sleeves and a group of stripping rollers.

The invention discloses a continuous drawing production line of a strip product. The continuous drawing production line comprises an uncoiler, a straightener, a continuous drawing machine, a length measuring device and a cuttolength saw, as well as a stacking device for stacking the sawn product or a rolling machine for rolling up the sawn product, wherein the uncoiler, the straightener, the continuous drawing machine, the length measuring device and the cuttolength saw as well as the stacking device or the rolling machine are arranged in sequence. The continuous drawing production line provided by the invention has the advantages that the floor space is reduced, the damage and transformation of the products are avoided in hoisting, and the yield is improved. The invention also discloses a production method of the continuous drawing production line of the strip product. The production method comprises the steps of unfolding a pony roll blank to a straight line state, straightening the blank which is unfolded to the straight line state, carrying out continuous drawing processing on the straightened blank to form the product, measuring the length of the product according to the preinstalling length, sawing the product according to the preinstalling length, and stacking the sawn product or rolling up the sawn product. The production method of the continuous drawing production line provided by the invention has the advantages that the production efficiency and the yield are improved.

The invention relates to a production process of steel stranded wires, and in particular relates to a production process of an extra-high strength steel stranded wire for a long-span transmission wire. A raw material with a diameter of theta9.0mm and a steel grade of 82B is utilized to produce a 37-strand hot galvanizing steel stranded wire with a total diameter of 20.16mm and a single-wire diameter of 2.88mm for the long-span transmission wire. The production process comprises the following steps of: (1) coiling the raw material, carrying out surface treatment, and drawing a high carbon steel wire rod of theta9.0mm to theta8.5mm; (2) carrying out heat treatment, acid-washing, phosphating, and surface treatment on a wire rod; (3) drawing a finished product: carrying out 13-pass drawing processing by using a high-power and multi-pass LT-11/650 type water tank wire-drawing machine, wherein a compression ratio is 12-18.6%; (4) inspecting, putting online, hot galvanizing, and winding by using a spool; and (5) inspecting, and twisting. The production process of the steel stranded wire is simple in realization mode, and all indexes of the produced extra-high strength hot galvanizing steel stranded wire meet the technical requirements of long-span projects.

Process for pickling stainless steel carried out at a temperature of between 20° and 70° C., with the use of a pickling solution containing the following basic ingredients:H2SO4 (free acid): 50 to 200 g/lHF (free acid): 0 to 60 g/lF- anion (total): 5 to 150 g/lSO42- anion (total): 50 to 350 g/lTotal free acidity (H2SO4+HF): between 1 and 7 g. equiv./l where by "free acid" is meant the acid that does not constitute the anion bound in the form of salts or complexes with the metal cations present in the solution; and, in addition:Fe3+ in a quantity of at least 15 g/lchloride anion in a quantity of between 0.1 and 10 g/l,into which solution is fed, during the pickling process, an oxidant that is able to oxidize Fe2+ to Fe3+ in order to maintain the redox potential of the solution at a value of between +230 and +800 mV.

The present invention relates to a high-pressure water descaling system which can be used in the rolling process in the iron and steel metallurgical field. In particular, it relates to a descaling system which can be used in the process of rolling slab and sheet strip. It is characterized by that said invention is aimed at providing an ultrahigh-pressure small-flow high-pressure water descaling system for sheet bar hot continuous rolling production line. The water-out pressure of its descaling pump group is 25MPa-50MPa, and the water flow rate of its descaling nozzle is 20-40L/min..

The invention relates to a flattener, relative thermal rolling band steel non-acid scaling device and method, wherein said flattener comprises a roller cleaner (15) whose end contacts the lower roller and compression lower roller (14); the cleaner (15) can clean the ferric oxide in each rotation of roller, to improve work efficiency. And the scaling device comprises emulsion feeder (1), flattener (2), high-pressure water injector (3), iron brush (4), washing drier (5), and coiling machine (6). The invention can improve the service life and effect of iron brush. And the method comprises that adjusting the injected amount of emulsion to adjust the scaling quality and save cost.

The invention belongs to the technical field of prestressed steel strand drawing and discloses pre-stressed steel strand pickling-free and phosphating-free drawing equipment and a production process. The equipment comprises a pay-off rack, a straightening traction device, a shelling device, a high-pressure washing device, a boronizing device, a drying device, a steel strand drawing device and a take-up rack which are sequentially arranged. The pre-stressed steel strand pickling-free and phosphating-free drawing equipment provided by the invention is reasonable in structural design, through the design of multiple shelling wheel sets, the drawing equipment can be matched with a pre-stressed steel strand for physical shelling, and then through the design of a rust removal casing and steel wire balls, rust attached to the pre-stressed steel strand after shelling can be further cleared, so that the overall effect of the pre-stressed steel strand after shelling is good, compared with a conventional acid method, the shelling efficiency is greatly improved, and the degree of automation is high. The adjustment of the corresponding shelling wheels can also be carried out for pre-stressed steel strands with different diameters and pre-stressed steel strands with different degrees of oxidation, so that the application range is wide.

A scraper tool for removing material such as surface treatments, metal coatings, and other material layers from an edge region of a metal work piece where they could potentially contaminate a nearby weld. According to one embodiment, the scraper tool includes a body having a base portion and a tab portion, and several scraping elements attached to the base portion. During operation, the scraping elements scrape one or more surfaces of the edge region so that the depth to which the scraping element engage the metal work piece is generally affected by the amount of rotation of the scraper tool about a pivot axis.

The invention provides a steel strand production device and an electrolysis phosphating technology. The steel strand production device and the electrolysis phosphating technology are used for solving the technical problems of complicated maintenance, low production efficiency and relatively high cost in a conventional steel strand production technology and poor phosphating effect, low efficiency and high cost in a phosphating process in a production technology. The steel strand production device is provided with a steel bar straightening press, a peeling machine, a dust removal machine, an online phosphating saponification device, a wiredrawing device and a wire take-up device, wherein the online phosphating saponification device is provided with an electrolysis phosphating tank. The steel strand production device is also provided with a heating device, a surface conditioning device, a drying device and a wiredrawing protective device. The electrolysis phosphating technology provided by the invention can be widely applied to production of steel strands.