Table processing and reference line parameters are used during the polishing process:
| Table Processing Parameters |
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| Safe Line Parameters |
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| Plane A goes through the point of the scan table farthest from the solution table and is parallel to the solution table. | |
| Crown safe plane ("line") - |
| Crown Safe Line plane calculated for New scan table. |
| Pavilion safe plane |
| ("line") - |
| Pavilion Safe Line plane calculated for New scan table. | |
| New scan table is parallel to the solution table and positioned differently depending on conditions (see Grind depth calculation in the detailed description). | |
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On this page:
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| Table of Contents | ||||
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Table Processing Parameters
| Parameter | Description | Comment | |
|---|---|---|---|
| Table allowance before | mm | How much should we grind parallel to the solution table to reach it - measured before grinding started. | See the detailed description below. |
| Grind depth | mm | How much should we grind parallel to the solution table to reach a new scan table - the one used to set a stone on for bruting. | |
| Table allowance parallel | mm | Distance between new scan table and solution table. | |
| Table incline | deg. | Planned table tilt compared to the current holder plane. |
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| title | Table allowance before |
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| Info |
|---|
| This parameter is applicable to the following cuts: All Cuttings |
How much should we grind parallel to the solution table to reach it - measured before grinding started.
Calculation
By finding the distance between Plane A and solution table, where:
- Plane A goes through the point of the scan table farthest from the solution table and is parallel to the solution table.
Usage and Examples
Information is used during grinding.
Reporting
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Print Label
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FACETING_TABLE_CUT_DEPTH
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Visualization in Appraisers
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NA
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| title | Grind depth |
|---|
| Info |
|---|
| This parameter is applicable to the following cuts: All Cuttings |
How much should we grind parallel to the solution table to reach a new scan table - the one used to set a stone on for bruting.
Calculation
By finding the distance between Plane A and New scan table, where:
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at the distance of 20 µm from the solution table - if this nearest distance is negative (that is when fully grind the existing scan table, the solution is broken);
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Usage and Examples
Information is used during grinding.
Reporting
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Print Label
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FACETING_TABLE_CUT_DEPTH
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Visualization in Appraisers
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NA
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| title | Table allowance parallel |
|---|
| Info |
|---|
| This parameter is applicable to the following cuts: All Cuttings |
Distance between the new scan table (the one used to set a stone on for bruting) and solution table.
Calculation
By finding the distance between the New scan table and solution table, where:
- New scan table positioning is described in the Grind depth parameter.
Usage and Examples
Information is used during grinding.
Reporting
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Print Label
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| Status | ||||
|---|---|---|---|---|
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Safe Line Parameters
Visualization in Appraisers
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NA
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| title | Table incline |
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| Info |
|---|
| This parameter is applicable to the following cuts: All Cuttings |
Planned table tilt compared to the holder plane.
Calculation
NA
Usage and Examples
Information is used during grinding.
Reporting
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Visualization in Appraisers
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NA
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Reference Line Parameters
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| Parameter | Description | Comment | ||
|---|---|---|---|---|
| Distance to new scan table (crown) | mm | Distance to Crown Safe line before grinding from |
New scan table. | Calculated after the scan is bruted. | See the detailed description below. |
| Distance to |
|---|
| plane table (crown) | mm | Distance to |
|---|
| Crown Safe line after solution table is reached (that is, distance to |
| Crown Safe line from solution table itself). |
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| title | C8 before |
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Distance to C8 reference line before grinding from New scan table.
| Note |
|---|
Calculated after the scan is bruted. |
Calculation
Calculated after the scan is bruted by finding the distance between New scan table and C8 reference plane ("line"), where:
- New scan table is parallel to the solution table and positioned differently depending on conditions (see Grind depth calculation in the detailed description).
- C8 reference plane ("line") is a crown main facets reference plane.
Usage and Examples
C8 reference line information is used during grinding.
Reporting
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Print Label
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| Status | ||||
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Visualization in Appraisers
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NA
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| title | C8 after |
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| Info |
|---|
| This parameter is applicable to the following cuts: All Cuttings |
Distance to C8 reference line after solution table is reached (that is, distance to C8 reference line from solution table itself).
| Note |
|---|
Calculated after the scan is bruted. |
Calculation
Calculated after the scan is bruted by finding the distance between C8 reference plane ("line") and solution table, where:
- C8 reference plane ("line") is a crown main facets reference plane.
Formal definition:
FACETING_REFERENCE_LINE_CROWN_MAINS_AFTER_TABLE = CROWN_HEIGHT_MAX_MM
Usage and Examples
C8 reference line information is used during grinding.
Reporting
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Print Label
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FACETING_REFERENCE_LINE_CROWN_MAINS_AFTER_TABLE
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Visualization in Appraisers
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NA
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| title | P8 before |
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| Info |
|---|
| This parameter is applicable to the following cuts: All Cuttings |
Distance to P8 reference line before grinding from New scan table.
| Note |
|---|
Calculated after the scan is bruted. |
Calculation
Calculated after the scan is bruted by finding the distance between New scan table and P8 reference plane ("line"), where:
- New scan table is parallel to the solution table and positioned differently depending on conditions (see Grind depth calculation in the detailed description).
- P8 reference plane ("line") is a pavilion main facets reference plane.
Usage and Examples
P8 reference line information is used during grinding.
Reporting
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Print Label
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| Status | ||||
|---|---|---|---|---|
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Visualization in Appraisers
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NA
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| title | P8 after |
|---|
| Info |
|---|
| This parameter is applicable to the following cuts: All Cuttings |
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| Distance to new scan table (pavilion) | mm | Distance to Pavilion Safe line before grinding from New scan table. |
|---|---|---|
| Distance to plane table (pavilion) | mm | Distance to Pavilion Safe line after |
| solution table is reached (that is, distance to |
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| Pavilion Safe line from solution table itself |
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| Note |
|---|
Calculated after the scan is bruted. |
Calculation
Calculated after the scan is bruted by finding the distance between P8 reference plane ("line") and solution table, where:
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| ) |
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| . |
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- Find the pavilion facet with the highest height, let us say its number is F
- Marking for Pav, mm = CROWN_HEIGHT_MM_<F> + GIRDLE_WIDE_BEZEL_MM_<F>
Usage and Examples
P8 reference line information is used during grinding.
Reporting
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Print Label
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FACETING_REFERENCE_LINE_PAVILION_MAINS_AFTER_TABLE (P8 after)
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Visualization in Appraisers
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NA
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These parameters are presented in the Print Label report:
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