i had been using a chest machine press for a while and i recently switched to dumbbells instead.. on the machine i did about 170.. but with dumbbells i can only do 55 lbs.. is this right? here tell me if this routine is any good

flat bench flies - 3 sets 10 reps
flat bench dumbells - 4 sets 8
incline machine - 4 sets 8
cables - 3 sets 8