Ophthalmic roughing wheel
AssigneeInland Diamond Products Company
InventorDennis Raffaelli
Life of this patent
Estimating the term…
Abstract
Ophthalmic rough-cut and polishing wheels having a plurality of swarf clearance grooves formed across the shaping face are described. The grooves are spaced around the shaping face of the wheels, wherein the slots are configured so as to be substantially angled either towards or away from one another.
Claims32
A rotary edging wheel for rough cutting of an optical lens, comprising:
- a hub portion operable for attachment to a rotary power source, wherein said hub portion includes a substantially solid body member;
- an outer circumferential rough cutting surface having a width, wherein said surface is adjacent to said body member, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for rough cutting of the optical lens, wherein said abrasive grit is present at a substantially level depth across the width of said surface;
- and
- at least one pair of substantially adjacent swarf clearing grooves formed in said surface, comprising:
- a first swarf clearing groove extending at an angle across said surface;
- a second swarf clearing groove extending at an angle across said surface;
- wherein said first and second swarf clearing grooves are angled either towards each other or away from each other and extend continuously across said surface;
- and
- wherein said first and second swarf clearing grooves are operable to remove swarf during a rough cutting operation.
A rotary edging wheel for rough cutting of an optical lens, comprising:
- a hub portion operable for attachment to a rotary power source;
- an outer circumferential rough cutting surface having a width, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for rough cutting of the optical lens;
- a first pair of substantially adjacent swarf clearing grooves formed in said surface, comprising first and second substantially parallel swarf clearing grooves extending at an angle across said surface;
- and
- a second pair of substantially adjacent swarf clearing grooves formed in said surface, comprising third and fourth substantially parallel second swarf clearing grooves extending at an angle across said surface;
- wherein said first and second pairs of swarf clearing grooves are angled either towards each other or away from each other and extend continuously across said surface.
A rotary edging wheel for polishing of an optical lens, comprising:
- a hub portion operable for attachment to a rotary power source, wherein said hub
- portion includes a substantially solid body member;
- an outer circumferential cutting surface having a width, wherein said surface is adjacent to said body member, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for polishing of the optical lens, wherein said abrasive grit is present at a substantially level dept across the width of said surface;
- and
- at least one pair of substantially adjacent swarf clearing grooves formed in said surface, comprising:
- a first swarf clearing groove extending at an angle across said surface;
- a second swarf clearing groove extending at an angle across said surface;
- wherein said first and second swarf clearing grooves are angled either towards each other or away from each other and extend continuously across said surface;
- and
- wherein said first and second swart clearing grooves are operable to remove swarf during a polishing cutting operation of the optical lens.
A rotary edging wheel for polishing of an optical lens, comprising:
- a hub portion operable for attachment to a rotary power source;
- an outer circumferential cutting surface having a width, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for polishing of the optical lens;
- a first pair of substantially adjacent swarf clearing grooves formed in said surface, comprising first and second substantially parallel swarf clearing grooves extending at an angle across said surface;
- and
- a second pair of substantially adjacent swarf clearing grooves formed in said surface, comprising third and fourth substantially parallel second swarf clearing grooves extending at an angle across said surface;
- wherein said first and second pairs of swarf clearing grooves are angled either towards each other or away from each other and extend continuously across said surface.
A method for rough cutting of an optical lens, comprising:
- providing an edging wheel, comprising:
- a hub portion operable for attachment to a rotary power source, wherein said hub portion includes a substantially solid body member;
- an outer circumferential rough cutting surface having a width, wherein said surface is adjacent to said body member, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for rough cutting of the optical lens, wherein said abrasive grit is present at a substantially level depth across the width of said surface;
- and
- at least one pair of substantially adjacent swarf clearing grooves formed in said surface, comprising:
- a first swarf clearing groove extending at an angle across said surface;
- and
- a second swarf clearing groove extending at an angle across said surface;
- wherein said first and second swarf clearing grooves are angled either towards each other or away from each other and extend continuously across said surface;
- wherein said first and second swart clearing grooves are operable to remove swart during a rough cutting operation of the optical lens;
- selectively rotating said edging wheel;
- and
- bringing the optical lens into selective contact with said rotating edging wheel.
A method for rough cutting of an optical lens, comprising:
- providing a rotary edging wheel, comprising:
- a hub portion operable for attachment to a rotary power source;
- an outer circumferential rough cutting surface having a width, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for rough cutting of the optical lens;
- a first pair of substantially adjacent swarf clearing grooves formed in said surface, comprising first and second substantially parallel swarf clearing grooves extending at an angle across said surface;
- and
- a second pair of substantially adjacent swarf clearing grooves formed in said surface, comprising third and fourth substantially parallel second swarf clearing grooves extending at an angle across said surface and extend continuously across said surface;
- wherein said first and second pairs of swarf clearing grooves are angled either towards each other or away from each other;
- selectively rotating said edging wheel;
- and bringing the optical lens into selective contact with said rotating edging wheel.
A method for polishing of an optical lens, comprising:
- providing a rotary edging wheel, comprising:
- a hub portion operable for attachment to a rotary power source, wherein said hub portion includes a substantially solid body member;
- an outer circumferential cutting surface having a width, wherein said surface is adjacent to said body member, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for polishing of the optical lens, wherein said abrasive grit is present at a substantially level depth across the width of said surface;
- and
- at least one pair of substantially adjacent swarf clearing grooves formed in said surface, comprising:
- a first swarf clearing groove extending at an angle across said surface;
- and
- a second swarf clearing groove extending at an angle across said surface;
- wherein said first and second swarf clearing grooves are angled either towards each other or away from each other and extend continuously across said surface;
- wherein said first and second swart clearing grooves are operable to remove swart during a polishing operation of the optical lens;
- selectively rotating said edging wheel;
- and
- bringing the optical lens into selective contact with said rotating edging wheel.
A method for polishing an optical lens, comprising:
- providing a rotary edging wheel, comprising:
- a hub portion operable for attachment to a rotary power source;
- an outer circumferential cutting surface having a width, said surface including an abrasive grit attached thereto, wherein said abrasive grit is operable for polishing of the optical lens;
- a radially extending planar side portion;
- a first pair of substantially adjacent swarf clearing grooves formed in said surface, comprising first and second substantially parallel swarf clearing grooves extending at an angle across said surface;
- and
- a second pair of substantially adjacent swarf clearing grooves formed in said surface, comprising third and fourth substantially parallel second swarf clearing grooves extending at an angle across said surface;
- wherein said first and second pairs of swarf clearing grooves are angled either towards each other or away from each other and extend continuously across said surface;
- selectively rotating said edging wheel;
- and
- bringing the optical lens into selective contact with said rotating edging wheel.
Dependencies are inferred from the claim text.