i have the 901 as well, great hand piece. u need to have about 20 psi going into the machine. then turn it on and adjust the pressure nob above the spm nob to 12 psi +-. u can check this by holding the hand piece ,graver pointed up next to your ear and turn the psi nob just past where the hand...
grs makes square graver in c-max and glen steel, lindsay has carbolt, m48 square. grs gravers are 7/16 shorter than lindsay. the lindsay classic comes with 3 or 4 gravers, one is a pre sharpened carbolt and is perfect for engraving jewelry, guns, knifes, etc. i prefer the square gravers, easy...
some great advice from all ! i had the same problem and the only thing i might add is after u get everything adjusted , i just sit up in position for a few seconds, take a deep breath and get relaxed. i call it settling down. it really helps me.
i have a60 leica with flex arm stand mounted on top of my bench. from the bottom of the light on scope to raising the scope up is 4 7/8 inches above the top of my bench. when i lower the scope below the surface of the bench its 13 inches. Note i had to make a 5 inch flat bar to drop the scope...
diamond D cement is stronger than shellac , that is a mixture of shellac and bees wax. it comes of quickly in a container suspended in the ultrasonic and its stronger than shellac. steam clean after. or a "boil pot" on heat with dawn dish liquid and water in a slow boil. [ dont let it boil...
first the air supply has to be free of water. i have 3 air filters between the compressor and the base unit. drain the compressor and the filters regularly. take the 901 apart and clean the piston, chamber with alcohol and lint free cloth, dry and reassemble. no oil or lube of any kind is needed
she will love it . u know we are artist and sometimes our own worst critics. ive been at the bench 53 yrs and i think its a beautiful job. u did sign and date it i hope.
i would make it 1.5 mm thick, no less, no cut out, recessed areas should be black. this gives strength to a not so strong silver and helps prevent snagging from any sharp or pointed areas