35 mm film is a film gauge used in filmmaking, and the film standard. In motion pictures that record on film, 35 mm is the most commonly used gauge. The name of the gauge is not a direct measurement, and refers to the nominal width of the 35 mm format photographic film, which consists of strips 1.377 ± 0.001 inches (34.976 ± 0.025 mm) wide. The standard image exposure length on 35 mm for movies is four perforations per frame along both edges, which results in 16 frames per foot of film.
For postage stamps, separation is the means by which individual stamps are made easily detachable from each other.
A grommet is a ring or edge strip inserted into a hole through thin material, typically a sheet of textile fabric, sheet metal or composite of carbon fiber, wood or honeycomb. Grommets are generally flared or collared on each side to keep them in place, and are often made of metal, plastic, or rubber. They may be used to prevent tearing or abrasion of the pierced material or protection from abrasion of the insulation on the wire, cable, line being routed through the penetration, and to cover sharp edges of the piercing, or all of the above.
A die is a specialized machine tool used in manufacturing industries to cut and/or form material to a desired shape or profile. Stamping dies are used with a press, as opposed to drawing dies and casting dies which are not. Like molds, dies are generally customized to the item they are used to create.
Starting at the end of the nineteenth century, well before the advent of electronic computers, data processing was performed using electromechanical machines collectively referred to as unit record equipment, electric accounting machines (EAM) or tabulating machines. Unit record machines came to be as ubiquitous in industry and government in the first two-thirds of the twentieth century as computers became in the last third. They allowed large volume, sophisticated data-processing tasks to be accomplished before electronic computers were invented and while they were still in their infancy. This data processing was accomplished by processing punched cards through various unit record machines in a carefully choreographed progression. This progression, or flow, from machine to machine was often planned and documented with detailed flowcharts that used standardized symbols for documents and the various machine functions. All but the earliest machines had high-speed mechanical feeders to process cards at rates from around 100 to 2,000 per minute, sensing punched holes with mechanical, electrical, or, later, optical sensors. The operation of many machines was directed by the use of a removable plugboard, control panel, or connection box. Initially all machines were manual or electromechanical. The first use of an electronic component was in 1937 when a photocell was used in a Social Security bill-feed machine. Electronic components were used on other machines beginning in the late 1940s.
A staple remover is a device that allows for the quick removal of a staple from a material without causing damage. The best-known form of staple remover, designed for light-gauge staples, consists of two opposing, pivot-mounted pairs of thin, steep wedges and a spring that returns the device to the open position after use. Although a simple metal wedge can be used for the same purpose, and although some staplers feature such a wedge at their hinge end, use of the wedge tends to tear fragile papers.
Sheet metal is metal formed into thin, flat pieces, usually by an industrial process.
A loose leaf is a piece of paper of any kind that is not bound in place, or available on a continuous roll, and may be punched and organized as ring-bound or disc-bound. Loose leaf paper may be sold as free sheets, or made up into notepads, where perforations or glue allow them to be removed easily. "Leaf" in many languages refers to a sheet or page of paper, as in Folio, as in feuille de papier (French), hoja de papel (Spanish), foglio di carta (Italian), and ルーズリーフ.
Punching is a forming process that uses a punch press to force a tool, called a punch, through the workpiece to create a hole via shearing. Punching is applicable to a wide variety of materials that come in sheet form, including sheet metal, paper, vulcanized fibre and some forms of plastic sheet. The punch often passes through the work into a die. A scrap slug from the hole is deposited into the die in the process. Depending on the material being punched this slug may be recycled and reused or discarded.
MTD Products is an American manufacturer of outdoor power equipment for the mass market. Headquartered in Valley City, Ohio, the company began in 1932 and is a wholly-owned subsidiary of Stanley Black & Decker. Prior to Stanley Black & Decker's acquisition in December 2021, MTD Products was a majority family-owned, private company. It originated as a tool and die maker. MTD's main competitors are Stihl, Ariens, Briggs & Stratton, John Deere and Husqvarna.
Stamping is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape. Stamping includes a variety of sheet-metal forming manufacturing processes, such as punching using a machine press or stamping press, blanking, embossing, bending, flanging, and coining. This could be a single stage operation where every stroke of the press produces the desired form on the sheet metal part, or could occur through a series of stages. The process is usually carried out on sheet metal, but can also be used on other materials, such as polystyrene. Progressive dies are commonly fed from a coil of steel, coil reel for unwinding of coil to a straightener to level the coil and then into a feeder which advances the material into the press and die at a predetermined feed length. Depending on part complexity, the number of stations in the die can be determined.
Vero Software is a company based in Cheltenham, England, that specialises in CAD CAM.
P. R. Mallory and Co Inc was a US producer of dry cell batteries, electronic components including electrolytic capacitors, and audible warning devices ("Sonalert"). It also was the parent firm of Mallory Batteries Ltd., an Irish producer of Ever Ready batteries. British Ever Ready had a large stake in it by World War II and had a close relationship with Mallory by the late 1960s. In the US, "Eveready" batteries were a trademark of Union Carbide, which had no relationship with P. R. Mallory.
A surform tool features perforated sheet metal and resembles a food grater. A surform tool consists of a steel strip with holes punched out and the rim of each hole sharpened to form a cutting edge. The strip is mounted in a carriage or handle. Surform tools were called "cheese graters" decades before they entered the market as kitchen utensils used to grate cheese. Surform planes have been described as a cross between a rasp and a plane.
Perforated metal, also known as perforated sheet, perforated plate, or perforated screen, is sheet metal that has been manually or mechanically stamped or punched using CNC technology or in some cases laser cutting to create different holes sizes, shapes and patterns. Materials used to manufacture perforated metal sheets include stainless steel, cold rolled steel, galvanized steel, brass, aluminum, tinplate, copper, Monel, Inconel, titanium, plastic, and more.
Blanking and piercing are shearing processes in which a punch and die are used to produce parts from coil or sheet stock. Blanking produces the outside features of the component, while piercing produces internal holes or shapes. The web is created after multiple components have been produced and is considered scrap material. The "slugs" produced by piercing internal features are also considered scrap. The terms "piercing" and "punching" can be used interchangeably.
Olympic Steel, Inc. is a metals service center based in Cleveland, Ohio. The company processes and distributes carbon, coated and stainless flat-rolled sheet, coil and plate steel, aluminium alloy, tin plate, and metal-intensive branded products primarily in the United States. Metals processing and value added services include tempering, stretch leveling, cutting-to-length, slitting, edging, shearing, blanking, burning, forming, shot blasting, laser punching, plate rolling, fabricating, machining, and welding. Its Chicago Tube & Iron subsidiary is a distributor of steel tubing, pipe, bar, valves & fittings, and fabricates pressure parts.
SRG Global Inc. is one of the largest manufacturers of chrome plated plastic parts for the automotive and commercial truck industries. Headquartered near Detroit in Troy, Michigan, the Tier 1 supplier has manufacturing operations across North America, Europe and Asia. The company’s Advanced Development Center in Taylor, Michigan, is a dedicated facility for developing new plastics coating technology.
Florida Tile is a U.S.-based manufacturer of porcelain and ceramic tile. It is one of the United States' largest producers of glazed and unglazed porcelain wall, floor tile and ceramic wall tile. It is also an importer and distributor of ceramic and porcelain wall and floor tile, natural stone, glass and metal tiles.
Diehl Metall is a corporate division of the Diehl Stiftung & Co. KG, a worldwide operating industrial group with its head office in Röthenbach an der Pegnitz near Nuremberg, Germany. The production units of Diehl Metall are situated at 13 locations in Europe, Asia, South America and the US. With 3,420 employees the company generated a turnover of €917 million in 2017. Diehl Metall produces semi-finished products, forgings and rolled products, high-precision stamped parts with plating technologies as well as Schempp+Decker press-fit zones and metal-plastic compound systems. The company provides material development and production, sheet metal forming and forging technology as well as plating, press-fit, overmolding and assembling technology completely in-house.
