Method for assembling a rotary apparatus with gap-controlling features

A method for assembling a rotary apparatus, comprising the steps of:

• providing a static structure comprising an end plate having a race cavity defined therein;
• providing a rotary structure having a rotary axis and a rotor, having a stub shaft extending from one of said rotor, rotatable about said rotary axis;
• interposing a rolling contact bearing, comprising an outer race and an inner race, between said end plate of said static structure and said stub shaft of said rotary structure, so as to permit said rotary structure to rotate relative to said static structure, by seating said outer race within said race cavity of said end plate;
• providing said inner race with a central bore, an outer end, and an inner end;
• providing said stub shaft with a distal end which is sized so as to be inserted into said central bore of said inner race, in a direction extending from said inner end of said inner race toward said outer end of said inner race, with a frictional fit;
• providing said stub shaft with a threaded stud extending axially from said distal end of said stub shaft;
• and
• threading a threaded nut onto said threaded stud of said stub shaft, thereby moving said stub shaft into said central bore of said inner race until a controlled gap is provided between said rotor and said end plate.

A method of assembling a rotary apparatus, comprising the steps of:

• providing a static structure comprising an end plate having a race cavity defined therein;
• providing a rotary structure having a rotary axis and a rotor, having a stub shaft extending from one end of said rotor, rotatable about said rotary axis;
• interposing a rolling contact bearing, comprising an outer race and an inner race, between said end plate of said static structure and said stub shaft of said rotary structure, so as to permit said rotary structure to rotate relative to said static structure, by seating said outer race within said race cavity of said end plate;
• providing said inner race with a central bore, an outer end, and an inner end;
• providing said stub shaft with a distal end which is sized so as to be inserted into said central bore of said inner race, in a direction extending from said inner end of said inner race toward said outer end of said inner race, with a frictional fit;
• providing said stub shaft with a first threaded component and
• providing a second threaded component for threaded engagement with said first threaded component of said stub shaft, thereby moving said stub shaft into said central bore of said inner race until a controlled gap is provided between said rotor and said end plate.