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cnc glossary

by:QY Precision      2019-11-16
CAD (Computer-aided design)
Geometric creation tools that contain software, and sometimes Special
Hardware use.
The current packaging ranges from a 2D vector-based drawing system to a 3D solid and surface m. . . CAD (Computer-aided design)
Geometric creation tools that contain software, and sometimes Special
Hardware use.
From a 2D vector-based drawing system to a 3D solid and surface modeler, current packages are available. CAM (Computer-
Auxiliary manufacturing)
It is considered as a NC programming tool in which 3D models of components generated in CAD software are used to generate CNC code to drive CNC machine tools (
Computer numerical control)
Specifically, the computer \"controller\" reading G\"
Code instructions and drive machine tools.
CAD/CAM part programming performs computer calculations and creates toolpaths based on the part geometry information created in CAD.
Intended processing order for simplified programming.
Data information as the basis of computing.
The database computer stores, saves data, and can search for detailed drawings of parts, giving a complete and accurate description of their shape and size, and the desired measurement part design of the structural dimensions part document is converted to a computer file or a hard copy for reference and storage of the CAD process.
Drawing exchange format.
Standard storage format for PCs-
The CAD/CAM platform-based driver receives the stepping sequence from the converter and provides an electronic package part for the winding switching of the stepping motor. G-
In the code common name modeling process that controls the programming language of NC and CNC machine tool geometry models, the designer creates lines and text that represent the shape of the desired part.
Geometry is the first step in CAD.
The measurement, properties, and relationships of lines and points of geometric objects, which constitute its shape M CodeA code for sending action signals from a complex set of commands.
The M code changes the tool, turns on or off the coolant, spindle or workpiece fixture, etc.
Machine Control Data manufacturing instructions defined in CAM and implemented on CNC machines.
A small, powerful computer that controls and operates mechanical equipment driven by CNC machine tools, usually used to manufacture metal parts of the machine through processing. Selective removal of metal or material. CNC. Use computer and special program instructions to make parts in the order in which processing operations are performed.
Part programming CNC machines are used to perform a series of numerical instructions for the sequence of operations necessary to process a specific workpiece.
Personal Computer.
Computers designed for individual users and commercial software.
Desktop computers, laptops and laptops are all personal computers.
A large printer for printing blueprints.
Unlike point matrices and laser printers, these output devices support vector graphics.
Post ProcessorA software link in the CAD/CAM chain that communicates instructions from CAM to the CNC machine. Represents the base body of a specific part or the original base shape (such as a cube, sphere, cylinder, block, and cone combined in the modeling of a solid to create a model of the part.
A form of the original test model graphics of the prototype part raster image in which densely arranged points form images on the computer screen.
Also known as bit-Map graphics.
The process of controlling the pulse frequency to accelerate or slow down the stepping motor.
The ramp increases its ability to drive larger loads at a higher speed by slowing down the first series of pulses, allowing the motor to overcome the inertia load and reduce overflushing by slowing down more slowly than the unramp motor.
Computer equipment that converts hard copy drawings into digital form software. Coded instructions, formulas, and operations to construct the action of the computer\'s solid model, as well as the type of geometric modeling based on the entity, where all visible surfaces of the part are shown.
In addition, the physical modeling describes the internal volume, mass and weight. Sub-
A program that acts as a shortcut to part programming, depending on the sequence of part programs that need to be called.
Also called a sub-routine.
Geometry-based geometric modeling types only, where all visible surfaces of the part are displayed, regardless of the volume definition.
Angle increment of each winding rotation of the step angle motor shaft (coils)are energized.
The angle is specified in degrees.
For 200 steps per motor, the step angle is 1. 8 degrees.
Rotate the total number of steps of the motor shaft 360 degrees per step.
For CNC, 200 or 400 steps per turn are usually used.
A stepping motor device that converts electrical impulses into precise mechanical movements.
The output shaft can be rotated or moved in a straight line.
The title block section of the blueprint contains information such as company name, part number, designer, scale and material.
Tolerance blueprint specification, indicating deviations that are not required but acceptable to a given size toolpath. Determine a series of coordinate positions of tool movement during machining operations.
A TranslatorAn electronic device that converts pulses into the correct switching sequence, which will operate the motor one step for each pulse received.
UnipolarA bifilar wound motor.
The current flows in only one direction through each winding.
Usually there are two windings for each wire shaft and eight wire axes for each motor.
It is usually a 5, 6 or 8-wire motor.
One or more common leads are used for each winding.
The torque is smaller compared to the bipolar stepping motor, but the drive is simpler.
Bipolar stepping motor
Only two windings
Electronic control alternately reverses current between coils.
The torque of this motor is greater, but more electronic control is needed.
Use a geometric formula to represent the vector graphic form of the image.
When working with CNC, vector graphics images are easier to operate than raster graphics.
Wireframe model a geometric modeling in which the edge of the part is represented by a solid line, working to draw the drawing of the part, for the manufacture of X-
The axis to the left or right.
All moves on the left side of zero are negative (-X)
All the movement rights of zero point are plus signs (+X). Y-
Axis at right angles to X-
Axis and intersect zero point of Xaxis.
All moves farther from zero are plus signs (+Y).
All movements closer to zero are negative (-Y). Z-
Axis perpendicular to XY zero point.
All movements above zero are positive (+Z)
When all movements below zero are (-Z).
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