Term
| 4 Basic Principles of Metrology? |
|
Definition
| Temperature, Alignment, Calibration and Repeatability |
|
|
Term
|
Definition
| Must be dimensioned to perfect form at MMC |
|
|
Term
| What 2 Components are always present in a feature control frame? |
|
Definition
| Geometric tolerance and characteristics |
|
|
Term
|
Definition
| Probe, software, structure, control |
|
|
Term
| Which principle of metrology separates the two general categories of probes? |
|
Definition
|
|
Term
| Parts of a touch trigger probe? |
|
Definition
| Stylus, Probe module, probe body |
|
|
Term
| What tells the control where the probe is? |
|
Definition
| Electronic (Glass) Scales provide position signal to control. |
|
|
Term
| What type of tip materials are used for scanning operations? |
|
Definition
| Zirconia and Silicone Nitride |
|
|
Term
| What type of tip would you use to measure a very deep hole? |
|
Definition
| Hemispheres (Also good for rough surfaces) |
|
|
Term
| 3 Important qualities of the materials used for stylus extensions? |
|
Definition
| Stiffness, balance of weight, thermal stability |
|
|
Term
| Which materials are best for long extensions? |
|
Definition
| Carbon Fiber and titanium |
|
|
Term
| Greater length of stem extension, higher speeds, larger head angles can make ____ ____ more likely with a heavy stylus |
|
Definition
|
|
Term
| True or False: 4 points are minimum needed to define a circle? |
|
Definition
| False, 3 are minimum needed |
|
|
Term
| How many points are required to define a line? |
|
Definition
|
|
Term
| How many points used to define a plane? |
|
Definition
|
|
Term
| What type of surface could cause a CMM to improperly apply tip compensation for a point? |
|
Definition
| When the approach vector isn't normal to the surface. |
|
|
Term
| What type of surface could cause a CMM to improperly apply tip compensation for a line? |
|
Definition
| If the surface is sitting at a compound angle. |
|
|
Term
|
Definition
| Hard, Touch Trigger, Scanning |
|
|
Term
| Types of non contact probes? |
|
Definition
|
|
Term
| Types of touch trigger probes? |
|
Definition
| Kinematic and Strain Gauge |
|
|
Term
| General types of scanning probes? |
|
Definition
|
|
Term
| How do lasers locate part surface? |
|
Definition
|
|
Term
|
Definition
| Proximity trigger and Scanning |
|
|
Term
| Lasers have difficulty measuring reflective surfaces, what must be done to help with that issue? |
|
Definition
| Must be covered in an Opaque Spray |
|
|
Term
| Sub-types of mutually perpendicular axes CMMS? |
|
Definition
| Cantilever, Bridge, Column, Gantry, Horizontal |
|
|
Term
| What contact tips are best for adhesion resistance and scanning aluminum parts? |
|
Definition
|
|
Term
| Zirconia tips are used for? |
|
Definition
| Scanning cast iron parts (Abrasion Resistant) |
|
|
Term
|
Definition
| Ruby, Zirconia, Silicone nitride, ceramic, tungsten carbide |
|
|
Term
| A pointer tip shape is good for? |
|
Definition
| Thread forms and scribed lines |
|
|
Term
| What stem extension has the best thermal stability? What about worst thermal stability? |
|
Definition
| Carbon fiber (Best) Aluminum (Worst) |
|
|
Term
| Minimum points needed to define a cylinder? |
|
Definition
|
|
Term
| Minimum points to evaluate straightness? |
|
Definition
|
|
Term
| Minimum points to evaluate Flatness? |
|
Definition
|
|
Term
| Minimum points to evaluate Cylindricity Form? |
|
Definition
|
|
Term
| Coordinate Systems used in CMM's? |
|
Definition
| Cartesian, Polar, Spherical |
|
|
