ACM bearings require lubrication at every 50Hr of run.

Air Classifying Mill delivers coarse product due to following reason a. Classifier wheel speed is less b. Hammers worn out c. MD Liner worn out then please do following a. Increase Classifier wheel speed b. Replace whole Hammers c.Replace MD Liner

Air Classifying Mill delivers too fine product due to following reason a. Higher speed of Classifier wheel b. Less air flow in mill chember then please do following a. Reduce Classifier wheel speed b. Increase air flow in mill chember by increasing opening of Fan/blower damper

ACM motor is getting tripped due to following reason a. More feed b. Classifier wheel speed too high c. Less air flow in mill chember d. Product too tough to grind e. Rotor shaft jamming then please do following a. Reduce feed b. Reduce Classifier wheel speed c. Increase air flow in mill chember by increasing opening of Fan/blower damper d. Feed very slowly e. Clean mill chember & check if any mechanical rubbing is there

ACM classifier motor is getting tripped due to following reason a. Over feed b. Entry of foreign particle in mill chember c. Overload of motor then please do following a. Reduce feed b. Open mill chember & remove foreign particle c. Reset overload relay

ACM feed motor is getting tripped due to following reason a. Over size material b. Undersetting of relay c. Rubbing of feed screw then please do following a. Ensure proper feed size of material b. Set overload relay to rated ampere c. Realign feed screw

Classifier speed sensor is not showing proper RPM due to following reason a. Loose or disconnection of wiring b. More gap in sensor probe c. Improper alignment then please do following a. Reconnect wiring securely b. Adjust gap, gap should not be more than 5mm c. Correct alignment

Burning or frequent failure of drive belts are due to one of the following a. Improper alignment b. Belts Slippage or loose c. Use of different section belts then please do following a. Correct alignment b. Maintain proper tightness of belts c. Use correct section belts

Temperature rise in mill chember is due to following a. Less air flow in mill chember b. Problem in Bearing housing assembly c. Chocking of mill chember d. Material too tough to grind then please do following a. Increase air flow in mill chember by increasing opening of Fan/blower damper, Check chocking of filter bags & leakages in duct line of system b. Ensure bearing housing assembly is ok c. Clean mill chember d. Feed very slowly

Control panel doesnot start due to following a. Proximity switch is not working properly b. Disconnection of loose wiring then please do following a. Ensure cover knob is near the switch after closing the mill chember, Gap should be less than 10mm, b. Reconnect wiring securely

Air Classifying Mill is suitable to followings applications a. Sugar b. Turmeric fingers c. Tamarind seeds d. rice protein e. Zinc stearate f. Calcium stearate g. Soya Flakes h. China clay i. Hydraous clay j. Calcined clay k. Graphite l. Corn m. Zinc oxide pellets n. Aluminium hydroxide o. Pigments p. Food colour q. Pesticides r. Pharmaceuticals s. Pulses t. Many more

ACM-5 is suitable to Pilot model or Lab scale model

Air Classifying Mill normaly generate Noise level 95dB-110dB, it varies as per mill model

Air Classifying Mill normaly generate Vibration upto 5mm/sec max.

Pulveriser rotor bearing lubrication schedule should be as like check once a day, Change once a month & monitor the level & Pulveriser feed screw & gear box grease to be changed every 3 months.

1SH/1W is suitable to Pilot model or Lab scale model

Pulveriser Mill normaly generate Noise level 90dB-110dB, it varies as per mill model

Pulveriser Mill normaly generate Vibration upto10mm/sec max.

Pulveriser Mill is suitable to followings applications a. Spices such as Chilly, Turmeric fingers/Bulbs, Cumin, Coriander, Pepper & Mixed Spices. b. Sugar c. Soya flakes d. Senda salt e. Pharmaceuticals such Paracetamol, Capsules f. Carbon black g. Chalk h. Starch i. Aluminium Boxide j. Pesticides k. Ammonium Perchlorate l.Pigments & dye m. Food colour n. Ayurvedic herbs, roots and flowers o. Pulses p. & many more

Pulveriser mill delivers coarse product due to following a. Using coarse screen b. Not enough impact in grinding chember c. Forcing mill by over feeding d. Material difficult to grind e. Worn Hammers f. Worn Liner g. Worn or broken screen then please do following a. Use screen having smaller perforations b. Increase rotor RPM, but never exceed maximum design rpm c. Decrease feed screw RPM d. Repass material again e. Replace with whole new set of hammers f. Replace with new liner g. Replace with new Screen

Screen clogging happens due to followings a. Screen perforations too small b. Insufficient air passing through mill then please do following a. Use round hole or Herringbone slot screen suitable to desired fineness or consult with Rathi Engineering Technical Team b. Open air inlet nozzles of mill or clean the fabric of Air relief bags

Pulveriser mill motor getting overtripped due to following a. Over feeding b. Inside mill chember clogged then please do following a. Reduce feed screw RPM, Opening air inlet nozzles of mill reduce feed rate by decreasing suction at feed point b. Open & clean mill chember & reduce the feed screw RPM

Material is blowing out of hopper happens due to following a. Screen plugged b. Air inlet opens too wide c. Air relief bag clogged then please do following a. Clean screen b. Wash or shake air relief bag c. Close partly or fully as per material nature.

Pulveriser main motor drive to start gets failed due to following a. Connected wrong power supply b. Poor contact in starter c. Overload mechanism tripped then please do following a.Must corrected immediately or damage will occur to motors & Switches b. Refit prong of cable to starter correctly making certain good contact of each prong c. Reset overload Trip -OFF position

Mill starting time is too slow due to followings a. Voltage too low b. Material may be in grinding chember c. Parts not assembly correctly then please do following a. Must connect Full voltage power liner or put voltage stabilizer for control panel b.Mill must be cleaned during start c. Turn rotor pulley by hand make sure there is no binding

Feed screw of Pulveriser slowing down during operation is due to following a. Large piece in feed material b. material sticky/packy then please do following a. Remove or precrush into smaller size b. allow to dry more before grinding if it is due to moisture

Pulveriser feed motor drive to start gets failed due to following a. Material too large b. Foreign particle in feed screw path c. Overload mechanism tripped then please do following a. Precrush material into smaller size b. Remove foreign particle c. Reset overlaod relay

Pulveriser model 1SG/2DH/3TH/4TH are having feed screws mechanism to feed the material in mill chember whereas in ‘W /SCB’ type there will be any feed screw mechanism for feeding material to mill chember. In ‘W’ type mill feed material is controlled fed to mill chember by gravity flow whereas in ‘SCB’ type mill, feed material is controlled fed to mill chember by forced draft.