Category:Transformations: Difference between revisions
| Line 37: | Line 37: | ||
===Reversible=== | ===Reversible=== | ||
== | ==Computational== | ||
[[File:Unit circle.svg|thumb]] | [[File:Unit circle.svg|thumb]] | ||
=== | ===Coordinate systems=== | ||
* Cartesian -> Polar: | * Cartesian -> Polar: | ||
* Cartesian -> Hyperbolic: | * Cartesian -> Hyperbolic: | ||
====Locality preserving==== | |||
* 2D -> 1D: [https://en.wikipedia.org/wiki/Space-filling_curve space filling curves] like the [https://en.wikipedia.org/wiki/Hilbert_curve Hilbert curve] | |||
===Solid Geometry=== | |||
* union | |||
* difference | |||
* fillet | |||
* scale | |||
* rotate | |||
* translate | |||
* mirror | |||
* offset | |||
* minkowski sum | |||
* hull | |||
=References= | =References= | ||
Revision as of 12:52, 23 September 2021
Introduction
Reversibility, in this context, means without need for additional tools or processes.
Dividing
Nonreversible
Cutting has been at the core of manufacturing throughout history. For metals many methods are used and can be grouped by the physical phenomenon used. It is the process of producing a work piece by removing unwanted material from a block of metal, in the form of chips.
Every method has its limitations in accuracy, cost, and effect on the material. For example, heat may damage the quality of heat treated alloys, and laser cutting is less suitable for highly reflective materials such as aluminum. Laser cutting sheet metal produces flat parts and etches and engraves parts from complex or simple designs. It is used over other cutting options for its quick process and customizable abilities.
- Chip forming (material removal processes): sawing, drilling, milling, turning, machining, tapping
- Shearing: punching, stamping, scissoring, blanking, tearing, cutting, scoring
- Abrasive material removal: grinding, lapping, polishing, water jet cutting, sharpening
- Heat: flame cutting, plasma cutting, laser cutting, smelting
- Electrochemical: electrical discharge machining (EDM), electrochemical machining (ECM), photoresist etching
Reversible
Joining
Nonreversible
These transformations modify the component materials in ways which cannot be reversed without at least one additional process step and / or materials.
- Bonding: glueing, welding, brazing, melting, alloying
- Deformation: nailing, riveting, stapling, crimping
- Encasement: coating, painting, potting, shrink wrapping
- Lithographic: screen printing, photopolymer printing, intaglio printing, relief printing
Reversible
- bolting, soldering, taping, screwing, latching, wrapping, binding, snapping, buttoning, pinning, wire wrapping, plugging, clipping, zippering, tying, press fitting
Forming
Nonreversible
Reversible
Computational
Coordinate systems
- Cartesian -> Polar:
- Cartesian -> Hyperbolic:
Locality preserving
- 2D -> 1D: space filling curves like the Hilbert curve
Solid Geometry
- union
- difference
- fillet
- scale
- rotate
- translate
- mirror
- offset
- minkowski sum
- hull
References
Pages in category "Transformations"
The following 12 pages are in this category, out of 12 total.
