Glass Hole Drilling can be reviewed for Sight Glass Material, but the accepted route depends on the exact grade or functional material definition, supplied form, thickness, feature geometry, edge condition, surface requirement and inspection method. The assigned process record notes: Glass Drilling: source-backed external reference facts retained from V3.2.1; only numeric facts are counted as numeric capability data. The assigned material or application record adds: Borosilicate combines transparency, heat resistance and chemical durability, but the grade and heat-treatment state must match the armature and medium.
Glass Hole Drilling for Sight Glass Material
Glass Hole Drilling can be reviewed for Sight Glass Material, but the accepted route depends on the exact grade or functional material definition, supplied form, thickness, feature geometry, edge condition, surface requirement and inspection method. The assigned process record notes: Glass Drilling: source-backed external reference facts retained from V3.2.1; only numeric facts are counted as numeric capability data. The assigned material or application record adds: Borosilicate combines transparency, heat resistance and chemical durability, but the grade and heat-treatment state must match the armature and medium.
Sight Glass Material
Sight Glass Material is a functional family rather than a single composition. State the actual grade, optical band, thermal duty, pressure duty or installed function in the RFQ.
Glass Hole Drilling
Glass Drilling: source-backed external reference facts retained from V3.2.1; only numeric facts are counted as numeric capability data.
Drawing-defined feasibility
Final capability is reviewed against grade, supplied form, thickness, geometry, edge distance, finish, tolerance, quantity and inspection method.
How the Process and Glass Type Interact
The table separates verified process or material records from project-specific items that still require drawing review.
| Review area | Assigned technical basis |
|---|---|
| Process purpose | Glass Drilling: source-backed external reference facts retained from V3.2.1; only numeric facts are counted as numeric capability data. |
| Material or functional basis | Borosilicate combines transparency, heat resistance and chemical durability, but the grade and heat-treatment state must match the armature and medium. |
| Input form | Flat sheet, blank, tube, rod or preform as applicable to the named process |
| High-risk condition | Thin, brittle, strengthened, crystalline or coated parts require grade- and geometry-specific qualification |
| Inspection basis | Dimensional and visual inspection; add microscopy, profilometry or interferometry when the drawing requires it |
Material Grade Must Be Confirmed from the Installed Function
Sight Glass Material does not identify one universal glass composition. The assigned application basis is: Provide continuous visual observation across a vessel, tank or pipe pressure boundary without losing containment. The assigned component basis is: Tempered borosilicate sight glass, fused quartz for special optical/temperature duty, or assembly-qualified alternatives. The RFQ should therefore name the actual material grade or provide the operating requirements needed for selection.
Glass Drilling
Glass Drilling: source-backed external reference facts retained from V3.2.1; only numeric facts are counted as numeric capability data.
Sight Glass
Round disc, weld-on assembly window, bolted flange disc or fused metal sight-glass component
Industrial Sight Glass
Provide continuous visual observation across a vessel, tank or pipe pressure boundary without losing containment.
Glass Drilling References and Design Limits
Numeric values are displayed only when an exact or accepted process-family record has verified public evidence. Proxy-family pages suppress numeric ranges and remain drawing-review pages.
| Process parameter | Reference value | Applicable condition |
|---|---|---|
| Minimum Thickness | 0.76 mm | CNC drilling program |
| Maximum Thickness | >25.4 mm | CNC drilling program |
| Minimum Part Size | 50.8 x 50.8 mm | CNC program; smaller parts need dedicated holding |
| Maximum Part Size | 2286 x 1524 mm | CNC program envelope |
| Minimum Hole Diameter | 0.5 mm | SCHOTT special drilling process range 0.5-40 mm |
| Maximum Hole Diameter | 300 mm | SCHOTT standard flat-glass hole range 3.5-300 mm |
| Minimum Edge Distance | greater of 2 x glass thickness or 1.5 x hole diameter, capped at 50 mm for holes up to 60 mm | SCHOTT processed-flat-glass design table |
| Dimensional Tolerance | ±0.508 mm general; up to ±0.127 mm | JNS/Abrisa CNC drilling program |
| Design item | What must be reviewed |
|---|---|
| Thickness and part envelope | 0.76 mm >25.4 mm 50.8 x 50.8 mm 2286 x 1524 mm |
| Feature size | 0.5 mm |
| Edge distance and wall section | greater of 2 x glass thickness or 1.5 x hole diameter, capped at 50 mm for holes up to 60 mm |
| Tooling and process condition | Cat-i states that its glass drilling techniques include diamond tooling and high-pressure abrasive methods.; Vitrum states that its CNC fabrication machine drills, mills, polishes and cuts holes and notches. |
| Tolerance and finish | ±0.508 mm general; up to ±0.127 mm |
| Drawing review | For Glass Hole Drilling on Sight Glass Material, identify datums, critical features, edge and surface zones, coating sides, inspection method and quantity. |
Inspection Focus for Sight Glass Material Glass Hole Drilling Feasibility Review
Acceptance should connect the drawing characteristic to a measurement method, fixture condition and stated limit.
| Review item | Project-specific focus |
|---|---|
| Process defects | Chipping, cracking, subsurface damage, dimensional error, contamination or surface defects as applicable |
| Process limitation | Public supplier values are not universal; blank numeric fields indicate that no transferable public value was verified |
| Design condition | Define material grade, thickness, geometry, edge distances, datum scheme, surface/edge acceptance and inspection method |
| Product design risk | Incorrect pressure/temperature derating, gasket point load, chemical attack, thermal shock and edge damage |
| Product inspection | Dimensional and edge inspection, transmitted-light visual check, certificate review and assembly pressure/leak validation |
| Application failure modes | Thermal shock, gasket point loading, wrong pressure derating, chemical surface attack and edge-initiated fracture. |
| Application inspection | Dimensions, edge microscopy, transmitted-light inspection, certificate review, then assembly leak/pressure validation. |
Information Needed Before Quotation
Use the drawing to define the exact material, process feature, tolerance, edge and surface acceptance criteria.
RFQ inputs
- Applicable standard, diameter, thickness, pressure, temperature, medium/concentration, armature, gasket, thermal cycle, safety protection and documentation
- Standard, diameter, thickness, sight opening, pressure, temperature, medium, armature, gasket, thermal cycle and documentation.
- Define material grade, thickness, geometry, edge distances, datum scheme, surface/edge acceptance and inspection method
- Provide a drawing revision, material or grade, quantity, dimensions, tolerances, critical surfaces and the required inspection record.
Selected Material and Process References
References support the assigned records but do not replace an approved part drawing, first-article result or production specification.
- Cat-i Glass Drilling Beveling and Sawing Cat-i Glass
- Precision Drilling and Milling Vitrum Glass Group
- Abrisa Glass Machining Capabilities Abrisa Technologies
- JNS CNC Glass Machining, Drilling, Slotting and Grooving JNS Glass
- Processed Flat Glass technical details SCHOTT
Request a Project-Specific Glass Review
Send the drawing, material, dimensions, quantity, tolerances, surfaces and inspection requirements for feasibility review.
- Process: Glass Hole Drilling
- Material: Sight Glass Material
- Drawing or part sketch
- glass type/grade
- Thickness / part size
- Quantity
STEP/STP, DXF, DWG, PDF, IGS/IGES or ZIP.
Confidential drawing review. NDA support available on request.
Frequently Asked Questions
These answers use the material, process, product and application data assigned to this page.
Is Glass Hole Drilling suitable for Sight Glass Material on Sight Glass Material Glass Hole Drilling Feasibility Review?
Glass Hole Drilling can be reviewed for Sight Glass Material, but the accepted route depends on the exact grade or functional material definition, supplied form, thickness, feature geometry, edge condition, surface requirement and inspection method. The assigned process record notes: Glass Drilling: source-backed external reference facts retained from V3.2.1; only numeric facts are counted as numeric capability data. The assigned material or application record adds: Borosilicate combines transparency, heat resistance and chemical durability, but the grade and heat-treatment state must match the armature and medium.
Which material details must be confirmed before Glass Hole Drilling for Sight Glass Material?
For Sight Glass Material Glass Hole Drilling Feasibility Review, sight Glass Material is a functional family rather than a single composition. State the actual grade, optical band, thermal duty, pressure duty or installed function in the RFQ.
Which geometry details control Glass Hole Drilling for Sight Glass Material?
For Sight Glass Material Glass Hole Drilling Feasibility Review, define material grade, thickness, geometry, edge distances, datum scheme, surface/edge acceptance and inspection method.
Can published process values be used as guaranteed tolerances for Sight Glass Material Glass Hole Drilling Feasibility Review?
For Sight Glass Material Glass Hole Drilling Feasibility Review, no. Published values remain reference conditions. The accepted tolerance depends on the exact material grade, thickness, geometry, datum scheme, edge and surface requirement, quantity and inspection method.
Which defects and inspection checks matter after Glass Hole Drilling on Sight Glass Material?
For Sight Glass Material Glass Hole Drilling Feasibility Review, chipping, cracking, subsurface damage, dimensional error, contamination or surface defects as applicable.
What should an RFQ include for Sight Glass Material Glass Hole Drilling Feasibility Review?
For Sight Glass Material Glass Hole Drilling Feasibility Review, applicable standard, diameter, thickness, pressure, temperature, medium/concentration, armature, gasket, thermal cycle, safety protection and documentation Standard, diameter, thickness, sight opening, pressure, temperature, medium, armature, gasket, thermal cycle and documentation.