we put down around 10k prerolls a week using a futurolla grinder and a STM rocketbox mini.
tons of ways to get the system to turn out great products but its all up to the operator of the machines.
we grind and sieve the flower (not trim, all buds smaller than 3/8’) to ensure that we remove all the stem and any other undesirable biomass from the preroll, fill cones on the rocketbox and then weigh, hand pack as necessary and twist or fold based on the desired output (we twist .7 and .5 g and crown fold everything 1g and up).
we could do like 5K a day if we didnt care to check all weights and dont QC everything to make sure only the good ones go out. we found its easier to slow down and produce a higher quality product.
nice tight pack at the crutch and a tight enough pack on the remainder without getting it too tight to pull.