China Hammer Mill Wood Sawdust Machine

SHM series hammer mill usually used for corn, rice, bio-mass, and other grian beans crushing, for flour ,grits making etc. Because of its compact structure, easy operation and maintenance,good grinding function, low power consumption and little volume,so it is widely used to grinding the corn, wheat,rice,grain,jowar,bean,sweet potato and etc.

modelpower kwweight kgsize mmcapacity corn kgcapacity corn straw kgcapacity Peanut shell kgcapacity Bean straw kgcapacity Branches kgSHM420A7.53101200x1000x1220240~40020~150180-35020~15020~150SHM420B113301200x1000x1220800~1000250~700350~850250~700200~600SHM500A225001280x970x10601700~2100800~13001200~2000800~1300700~1100

We have to process raw materials into small size before feeding them into pellet mill or briquette machine. This is what hammer mill do for you. It is used to grind wood chips, wood shavings, small branches, straw, stalk, branches and other biomass wastes into 3-5 mm long. For most raw materials, they are not small enough to be fed into the pellet mill. A hammer mill is indispensible.

To match small and large pellet mill and pellet plant, there are two types of hammer mill for you to choose from. Small hammer mill is a basic part in small pellet mill plant, it can process corn straw, bean straw, peanut shell, corn and branches, etc, whose moisture content should be less than 14%. Clients usually buy hammer mills together with small pellet mill.

Hammer Mill Working Principles
After being delivered into the crushing chamber, raw material is beaten and crushed by high speed rotating blades. Under centrifugal force the cracked material is crushed quickly due to continuous squeezing, crushing, beating, scrubbing by hammer mill blades. Under rotor centrifugal and fan suction force, crushed particles are discharged through sieve holes while those cannot get through sieve hole will repeat above hammering process till they are discharged through sieve.
Hammer Mill Equipment Installation
This series of hammer mills require spacious work place with good ventilation, enough withdrawal room and reliable fire extinguishing equipment.
This series of hammer mills need powder receiving device which can be sorted into 3 types, the powder storage pool, storage bag and storage bin. No matter which device it is, good ventilation must be guaranteed. Otherwise service life and output of hammer mill will be affected.
If the engine is prepared by the customer , the belt wheel diameter of electric motor or diesel engine should be calculated well. The specific calculation method is: diameter of engine (electric motor, diesel engine or gasoline engine)=rated revolution speed x belt diameter of hammer mill ÷ rated revolution speed of engine (electric motor, diesel engine or gasoline engine).
Notes: Revolution speed of diesel engine and gasoline engine is calculated as 80% of its rated revolution speed. For example, rated revolution of diesel engine of gasoline engine is 2000r/min, then it is counted as 1600r/min while the rated revolution is 2200r/min, then it is counted as 1760r/min. Over rated revolution may cause machine damage and accident; Lower than rated revolution may cause obvious deduction on productivity.

Hammer Mill Adjustment and Maintenance
The tightness degree can be adjusted by adjusting the placement of engine(electric motor, diesel engine or gasoline engine). The right tightness degree is archived when the belt can be pressed down by hand 10cm or so.
Start the hammer on hearing on abnormal sound, then idle the hammer mill for 30 minutes and when the temperature of main shaft is always observed under or around25ºC, the hammering machine can be put into service. Otherwise operator should loose the fastening bolts of bearing seat and push the rotor moving several rounds by hands, then tighten the bolts and idle. So repeat in this way for several times till the bearing temperature reaches less than 25ºC.
After a period time of use, hammer blades sharp end is worn gradually. When the first sharp end is worn , blade can be turned over to use 2, 3, 4 sharp end. To guarantee the rotor balance and avoid vibration, all blades have to be turned over at the same time. 4 worn blades must be replaced in time.
When maize is crushed for example, 4 out of the 8 pieces of hammer blades can be removed from axis pin to reduce electricity consumption and increase unit productivity.
Sieve mesh removal and assembly: Put the side with burr upwards to avoid sieve mesh blocking.
Lubrication Before initial operation, all bearings and other places need be added lubricant grease. Every 4-6 work needs once lithium base grease. Gasoline engine, diesel engine and electric motor follow their manuals to lubricate and maintain.
OUR SERVIC
Pre-sale service
1.Our professional and experienced engineer team helps every client to find his most suitable equipment or chose of plant.
2. Any kind of legal logo printing or design are available.
3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
After you choose:
1. We will make drawing and show you how the pant looks.
2. Every equipment will be checked carefully before packing. Video on machine testing is available.
3. Email you the tracking no., and help to chase the container until it arrives you.
After-sale service
1.We are very glad that customers give us some suggestion for price and products.
2.If you have any question,please contact us freely by E-mail or Telephone.
FAQ
Q. what is your payment term?
A: T/T 30% down payment, balance to be paid before shipment.
Q: what is your main market?
A: South America, Eastern Europe, Southeast Asia, Africa, Oceania, Eastern Asia
Q: what is your producing time?
A: Producing time depends on that machines you ordered. Usually takes 45 days.
Q: what documents you can offer?
A: We can offer invoice, packing list, contract, instructions, customs declaration, certificate of origin, CE. If client need other documents, specifications, please confirm with service staff.
Q: If equipments have some quality problem, how would you deal with?
A: We will responsible for all the quality problems. We will check the machine to get the problem. If need parts, will send them to you.
Q: how to install the equipments?
A: We send 1-2 engineer (100usd/person/day) to the local plant for helping install and commissioning equipments. To save time, our service stuff will tell you what to prepare in advance. We can also teach the workers to how to use the machines and how to make the products better.
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