Button attachment method for saw torque sensor
AssigneeHoneywell International Inc.
InventorsPalani Thanigachalam, Raja Narayanasamy
Life of this patent
Estimating the term…
Abstract
A method for joining dissimilar materials of sensor button for measuring torque is illustrated. The dissimilar materials can be welded together by laser welding. The parts can be cleaned and held together firmly by a fixture and welded with established machine parameters. The method of micro-crack free weld joint can give a robust joint for the life time of the automotive which mandate for the function of torque sensor to facilitate the positive strain transfer from the parent material.
Claims20
A method for laser welding of two dissimilar materials, comprising:
- providing a pair of dissimilar material parts to be welded together;
- positioning said pair of dissimilar material parts in close proximity one to the other, thereby forming a weld line;
- and
- cleaning the surfaces of said pair of dissimilar material parts in the immediate vicinity of said weld line in order to remove surface contamination prior to the fusion of said pair of dissimilar material parts;
- clamping said pair of dissimilar material parts in order to assure good alignment and to eliminate relative motion at said weld line during welding;
- and
- directing a high energy density beam to said weld line thereby creating a weld in order to join said pair of dissimilar material parts.
A method for laser welding of two dissimilar materials, comprising:
- providing a stainless steel part and carbon steel part to be welded together;
- positioning said a stainless steel part and carbon steel part in close proximity one to the other, thereby forming a weld line;
- and
- cleaning the surfaces of said a stainless steel part and carbon steel part in the immediate vicinity of said weld line in order to remove surface contamination prior to the fusion of said a stainless steel part and carbon steel part;
- clamping said a stainless steel part and carbon steel part in order to assure good alignment and to eliminate relative motion at said weld line during welding;
- and
- directing a high energy density beam from a laser to said weld line thereby creating a weld in order to join said a stainless steel part and carbon steel part.
A method for laser welding of two dissimilar materials, comprising:
- providing a SAW torque sensor button comprised of stainless steel and a parent material comprised of carbon steel, said SAW torque sensor and said parent material to be welded together;
- positioning said SAW torque sensor button and said parent material in close proximity one to the other, thereby forming a weld line;
- and
- cleaning the surfaces of said SAW torque sensor button and said parent material in the immediate vicinity of said weld line in order to remove surface contamination prior to the fusion of said SAW torque sensor button and said parent material;
- clamping said SAW torque sensor button and said parent material in order to assure good alignment and to eliminate relative motion at said weld line during welding;
- and
- directing a high energy density beam to said weld line thereby creating a weld in order to join said SAW torque sensor button and said parent material.
Dependencies are inferred from the claim text.