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2. Die (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Die_(manufacturing)

   The cutting surface of the die is the edge of hardened steel strips, known as steel rule. These steel rules are usually located using saw or laser-cut grooves in plywood. The mating die can be a flat piece of hardwood or steel, a male shape that matches the workpiece profile, or it can have a matching groove that allows the rule to nest into ...

3. Die cutting (web) - Wikipedia

   en.wikipedia.org/wiki/Die_cutting_(web)

   Rotary die cutting is die cutting using a cylindrical die on a rotary press and may be known as a rotary die cutter or RDC. A long sheet or web of material will be fed through the press into an area known as a "station" which holds a rotary tool that will cut out shapes, make perforations or creases, or even cut the sheet or web into smaller parts.

4. Shearing (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Shearing_(manufacturing)

   Shearing, also known as die cutting, [1] is a process that cuts stock without the formation of chips or the use of burning or melting. Strictly speaking, if the cutting blades are straight the process is called shearing; if the cutting blades are curved then they are shearing-type operations. [ 2 ]

5. Engineering tolerance - Wikipedia

   en.wikipedia.org/wiki/Engineering_tolerance

   For example, if a shaft with a nominal diameter of 10 mm is to have a sliding fit within a hole, the shaft might be specified with a tolerance range from 9.964 to 10 mm (i.e., a zero fundamental deviation, but a lower deviation of 0.036 mm) and the hole might be specified with a tolerance range from 10.04 mm to 10.076 mm (0.04 mm fundamental ...

6. Tool and die maker - Wikipedia

   en.wikipedia.org/wiki/Tool_and_die_maker

   This often includes making punches, dies, steel rule dies, and die sets. Precision is essential in die making; punches and die steels must maintain proper clearance to produce parts accurately, and it is often necessary to have components machined with tolerances of less than one thousandth of an inch.

7. Allowance (engineering) - Wikipedia

   en.wikipedia.org/wiki/Allowance_(engineering)

   A tolerance is the expected limit of acceptable unintended deviation from a nominal or theoretical dimension. Therefore, a pair of tolerances, upper and lower, defines a range within which an actual dimension may fall while still being acceptable. In contrast, an allowance is a planned deviation from the nominal or theoretical dimension.