Step-by-step instructions and necessary tools for cutting out a round or oval shaped sink.
- Make a template for your sink cut-out using ¼’ acrylic or Corian® material.
- Line up the sink template to your sink line on your slab. Trace the template outline and remove the template.
- Cut your bowl hole using the Alpha® AWS-125 (circular saw for stone) and 5″ Alpha® Contour Blade.
TIPS: Step cut (two or three passes) to cut all the way through your slab. This will ensure you receive maximum motor life from your AWS machine. Cut about 1/8” inside the sink outline – this leaves room to grind back and avoid mistakes.
- Place your sink cut-out template back onto your clean stone. Line up with your cut-out position, and clamp into place.
- True up the cut with the Alpha® Profiler Z (zero tolerance profiler) on the Alpha® VSP-320 machine. This step brings the cut-out back to 90 degrees and provides your final shape before polishing. Your Alpha® Profiler Z is equipped with a steel depth bearing on the top of the diamond drum – providing depth control for an accurate shape according to your template
- Profile with the Alpha® VSP-320 and appropriate Alpha® Profiler shape as needed. Most common is a pencil round 3/16” Profiler B or an eased edge with the 3/8” Profiler B.
- Many fabricators will polish the under-mount sinks (straight or round) with 4″ diamond polishing pads and 3″ flexible backer pad. This set up provides the needed flex for polishing inside curves.
- Use a plastic coring template with a 1-3/8” core bit to drill your faucet holes.
TOOLS & TOOLING LIST
- Sink cut-out template – ¼’ acrylic or Corian® material.
- # AT-AWS125 – Alpha® AWS-125 wet cutter
- # AT-CCB005 – Alpha® 5” Contour Blade
- # AT-VSP320 – Alpha® Variable Speed Wet Polisher (can also use with Alpha® profilers & wet core drill bits)
- # AT-PFZ301 – Alpha® Profiler Z
- # AT-PFB101 – Alpha® B Profiler 3/8” Roundover
- # AT-PFB051 – Alpha® B Profiler 3/16” Roundover
- # AT-EX40KIT or # AT-CR4SET – Alpha® polishing pads, full set of diamond grits
- # AT-GP35/8PD – 3″ Alpha® Tools Flexible Backer Pad with 5/8″-11 Threads
- # AT-GP45/8PD – 4″ Alpha® Tools Flexible Backer Pad with 5/8″-11 Threads