Sizers crusher is a double-tooth roller crushing equipment, which is mainly used for raw coal crushing and ore crushing. According to the different teeth of the crusher, it can be divided into primary crushing and secondary crushing. The main components of our sizers crusher manufactured by EXCT are the drive part, frame part, tooth roller part, synchronous wheel part, walking device part, lubrication part, etc.
1. A broken tooth
Our company can choose a reasonable tooth shape and determine the most suitable configuration according to the types of crushing materials provided by customers, working environment, the particle size of material in and out, capacity, maintenance, and other factors. It can be roughly divided into two structural forms :(coarse broken, fine broken) The following are the commonly used crushing tooth types in our company.
A. Fine fracture (tooth plate type)
Grading type tooth roller crusher for coal feeding particle size ≤300 (allowing a small amount of 400mm), the discharge particle size of 30mm, 50mm, 80mm, 100mm, etc., can break coal gangue and rock of medium strength:
The structure type of the broken tooth is adjusted to the tooth plate structure, and the tooth plate is made of the integral casting of Zgmn13Cr2, which is heat-treated after precision casting. The service life of the tooth plates is guaranteed to be more than 18 months.
The tooth plate is fixed in the form of a unilateral dovetail groove, which is complementary to the inclined surface of the insert clamping block, and then the tooth plate is installed on the tooth plate fixing seat to form a face-to-face connection, which is tightened by bolts.
The tooth shape and fixing method of the broken tooth plate are advanced. There are two forms of surfacing wear-resistant material and wear-resistant micro-alloy integral casting, which have a long service life.
Tooth plate seat material selection ZG310-570, CNC gantry milling machine overall processing tooth plate fixed keyway, one side dovetail groove is processed by a special Angle milling cutter. B. Coarse fracture (ring tooth type)
Coal classification type tooth roller crushers feeding granularity ≤1200mm, discharge granularity ≤300mm, 250mm, 200mm, etc., can break coal rock and medium strength rock.
The crushing teeth are heat-treated after precision casting with special formula materials, with high strength, good toughness, wear resistance, and impact resistance. The crushing strength is as high as 200MPa.Unique and novel tooth design structure, deep spiral distribution, strong biting ability, high block forming rate, low over crushing rate, high production efficiency. For example verification, far beyond the same industry service life (0.5-1.5 years), up to more than 3 years.
According to the actual situation of the site, the broken teeth are made of wear-resistant and impact-resistant alloy steel as a whole (as shown in Figure A) or the broken teeth are made of crown-type structure (as shown in Figure B) (the tooth head is made of wear-resistant and impact-resistant medium alloy steel for precision post-casting heat treatment). The precision post-casting heat treatment has the hardness HRC≥45-55 and impact toughness ≥45kg•m/cm2.
Main advantages of crown type:
(1) Convenient installation and disassembly of the broken tooth crown:
(2) Easy maintenance:
(3) Cost reduction:
Fixed form of crushing tooth
(1) The sizers crusher teeth are loaded into the crushing roller shaft by high-frequency heating with the new solid high-frequency heating device, and the special properties of the material are utilized to ensure the firm and reliable coordination with the shaft;
(2) Forgings of 40Cr and 42CrMo are selected for the crushing roller shaft. CAE force analysis is adopted to ensure reasonable and safe design, which can effectively avoid bending and fracture of the roller shaft.
(3) the processing of roller shaft: large lathe processing of the outer circle and end face, heat treatment after processing, and then grinding machine, keyway in CNC gantry milling machine finishing milling;
(4) After heat treatment of the high-strength thickened key, the grinding machine is precision processed, and the keyway matching precision of the crushing tooth roller is higher than the national standard requirements:
C, pick tip
A tooth can also be made according to the situation of coal, the broken section of tooth type, the cutting tooth when cutting coal and rock under high cyclic compressive stress, shearing stress and impact load, the hardness of coal is not high, but it often hard ore, such as the coal gangue, coal, and rock cutting process caused by friction, the impact will pick the temperature, in such a complex under the working conditions of cutting tooth, requires that the pick is to wear and should have good impact performance. The cutter is mainly composed of a cutter handle, cutter head, and alloy cutter head. The cutter handle and cutter head are often called cutter bodies. A hardened and tempered steel cutter body with a low alloy structure is inlaid with the carbide cutter head. Hardness HRC≥45-55, impact toughness ≥45kg•m/cm2:
Pick tip fixed form
(1) The cutter is mainly composed of a cutter handle, a cutter head, and an alloy cutter head. The cutter is fixed on the toothed disc as a whole: the toothed disc is fixed on the shaft through a locking sleeve and a fixed baffle:
(2) Forgings of 40Cr and 42CrMo are selected for the crushing roller shaft. CAE force analysis is adopted to ensure reasonable and safe design, which can effectively avoid bending and fracture of the roller shaft.
(3) the processing of roller shaft: large lathe processing of the outer circle and end face, heat treatment after processing, and then grinding machine, keyway in CNC gantry milling machine finishing milling.
2. Secondary crushing and particle size regulating device
Our company can adjust the particle size of the material according to the actual situation of the site. The secondary crushing beam is specially designed and installed. The crushing beam is set directly under the two tooth rollers and is fixed on the lower side of the crushing box. The single tooth roller and the secondary crushing beam form a new three-dimensional discharging space after the two tooth rollers run opposite each other to crush the material, which can effectively control the discharging granularity.
Sizers Crusher Features:
A. The overall equipment occupies a small area, suitable for downhole installation space on limited occasions.
B. The overall equipment adopts modular design, convenient assembly, and disassembly, simple operation.
C. The overall weight of the equipment is light. In the horizontal direction of 1m from the outer surface of the crusher, the noise at 1m above the ground does not exceed 85dB(A).≤60dB(A) 10 meters away from the equipment.
D. The whole machine is fixed and flexible, which can be installed on the ground or welded with the steel structure, or made into a walking device according to customer needs. The equipment should be made into a walking device with customer requirements. With the power switch function, no need for special fixing.

E. The sizers crusher tooth is made of wear-resistant and impact-resistant alloy steel, which is wear-resistant and impact-resistant and has a service life of more than 0.5-2 years. Side tooth plate in more than 15000 hours. After several years of wear and tear, the tooth plate and the side tooth plate can be welded with wear-resistant metal high chromium iron. In order to ensure that the crusher's overall discharging strength still meets customer demand.
F. Frame material Q345 welding parts, post-welding heat treatment, precision processing, precision assembly, to ensure reliable product quality and safety performance. Long service life.
G. The edge tooth plate adopts bolt connection, which is convenient to use and maintain and saves maintenance cost.
H. Reliable mechanical protection and electrical protection to ensure the safe use of equipment, and emergency protection of equipment.
I. Through modularization and standardization of equipment, each link from design to production is optimized to complete the optimal configuration of equipment and products that are more suitable for customers with the best cost performance.
J. Good sealing measures are taken at all the joint surfaces to prevent air leakage, duct leakage, and oil leakage. The replacement cycle of the box joint surface seal, inspection door seal, and bearing seal is an overhaul cycle.

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Sizers Crusher is a double-teeth curler crushing device, that is particularly used for uncooked coal crushing and ore crushing. According to the one-of-a-kind enamel of the crusher, it could be divided into number one crushing and secondary crushing. The foremost additives of our sizers crusher synthetic with the aid of using EXCT are the force part, body part, teeth curler part, synchronous wheel part, on foot tool part, lubrication part, etc.
1. A damaged teeth
Our organization can pick affordable teeth to form and decide the maximum appropriate configuration in step with the kinds of crushing substances furnished with the aid of using clients, running environment, the particle length of cloth in and out, capacity, protection, and different factors. It may be more or less divided into structural forms :(coarse damaged, first-rate damaged) The following are the normally used crushing teeth sorts in our organization.
A. Fine fracture (teeth plate kind)
Grading kind teeth curler crusher for coal feeding particle length ≤300 (permitting a small quantity of 400mm), the release particle length of 30mm, 50mm, 80mm, 100mm, etc., can spoil coal gangue and rock of medium power:
The shape sort of the damaged teeth is adjusted to the teeth plate shape, and the teeth plate is manufactured from the vital casting of Zgmn13Cr2, which is warmness-handled after precision casting. The carrier existence of the teeth plates is assumed to be greater than 18 months.
The teeth plate is constant withinside the shape of a unilateral dovetail groove, which is complementary to the willing floor of the insert clamping block, after which the teeth plate is established at the teeth plate-solving seat to shape a face-to-face connection, that is tightened with the aid of using bolts.
The teeth form and solving technique of the damaged teeth plate are advanced. There are styles of surfacing put on-resistant cloth and put on-resistant micro-alloy vital casting, that have an extended carrier existence.
Tooth plate seat cloth choice ZG310-570, CNC gantry milling gadget ordinary processing teeth plate constant keyway, one facet dovetail groove is processed with the aid of using a unique Angle milling cutter.
B. Coarse fracture (ring teeth kind)
Coal class kind teeth curler crushers feeding granularity ≤1200mm, discharge granularity ≤300mm, 250mm, 200mm, etc., can spoil coal rock and medium power rock.
The crushing enamel is warmness-handled after precision casting with unique components substances, with excessive power, desirable toughness, put-on resistance, and effect resistance. The crushing power is as excessive as 200MPa.Unique and novel teeth layout shape, deep spiral distribution, robust biting ability, excessive block forming rate, low over crushing rate, excessive manufacturing efficiency. For instance verification, some distance past the equal enterprise carrier existence (0.five-1.five years), as much as greater than three years.
According to the real state of affairs of the site, the damaged enamel is manufactured from put on-resistant and effect-resistant alloy metallic as an entire (as proven in Figure A), or the damaged enamel is manufactured from the crown-kind shape (as proven in Figure B) (the teeth head is manufactured from put on-resistant and effect-resistant medium alloy metallic for precision post-casting warmness remedy). The precision post-casting warmness remedy has the hardness HRC≥45-fifty five and effect toughness ≥45kg•m/cm2.
Main blessings of a crown kind:
(1) Convenient setup and disassembly of the damaged teeth crown:
(2) Easy protection:
(three) Cost reduction:
The fixed shape of crushing teeth
(1) The sizers crusher enamel are loaded into the crushing curler shaft with the aid of using excessive-frequency heating with the brand new strong excessive-frequency heating tool, and the unique houses of the cloth are applied to make sure the company and dependable coordination with the shaft;
(2) Forgings of 40Cr and 42CrMo are decided on for the crushing curler shaft. CAE pressure evaluation is followed to make sure affordable and secure layout, which could efficaciously keep away from bending and fracture of the curler shaft.
(three) the processing of curler shaft: massive lathe processing of the outer circle and stop face, warmness remedy after processing, after which grinding gadget, keyway in CNC gantry milling gadget completing milling;
(4) After warmness remedy of the excessive-power thickened key, the grinding gadget is precision processed, and the keyway matching precision of the crushing teeth curler is better than the countrywide preferred requirements:
C, select out the tip
Teeth also can be made in step with the state of affairs of coal, the damaged segment of teeth kind, the reducing teeth while reducing coal and rock beneath neath excessive cyclic compressive pressure, shearing pressure and effect load, the hardness of coal isn't excessive, however, it frequently difficult ore, consisting of the coal gangue, coal, and rock reducing procedure due to friction, the effect will select out the temperature, in this sort of complicated beneath neath the running situations of reducing teeth, calls for that the select out is to put on and ought to have desirable effect performance. The cutter is particularly composed of a cutter take care of, cutter head, and alloy cutter head. The cutter takes care of and the cutter head is frequently known as the cutter body. A hardened and tempered metallic cutter frame with a low alloy shape is inlaid with the carbide cutter head. Hardness HRC≥45-fifty five, effect toughness ≥45kg•m/cm2:
Pick tip constant shape
(1) The cutter is particularly composed of a cutter take care of, a cutter head, and an alloy cutter head. The cutter is constant at the toothed disc as an entire: the toothed disc is constant at the shaft thru a locking sleeve and a hard and fast baffle:
(2) Forgings of 40Cr and 42CrMo are decided on for the crushing curler shaft. CAE pressure evaluation is followed to make sure affordable and secure layout, which could efficaciously keep away from bending and fracture of the curler shaft.
(three) the processing of curler shaft: massive lathe processing of the outer circle and stop face, warmness remedy after processing, after which grinding gadget, keyway in CNC gantry milling gadget completing milling.
2. Secondary crushing and particle length regulating tool
Our organization can modify the particle length of the cloth in step with the real state of affairs of the site. The secondary crushing beam is mainly designed and established. The crushing beam is ready immediately beneath neath the 2 teeth rollers and is constant at the decrease facet of the crushing container. The unmarried teeth curler and the secondary crushing beam shape a brand new third-dimensional discharging area after the 2 teeth rollers run contrary every different to overwhelm the cloth, which could efficaciously manipulate the discharging granularity.
Sizers Crusher Features:
A. The ordinary device occupies a small area, appropriate for the downhole setup area on restrained occasions.
B. The ordinary device adopts a modular layout, handy assembly, and disassembly, easy operation.
C. The ordinary weight of the device is light. In the horizontal route of 1m from the outer floor of the crusher, the noise at 1m above the floor does now no longer exceeds 85dB(A).≤60dB(A) 10 meters far from the device.
D. The entire gadget is constant and flexible, which may be established at the floor or welded with the metallic shape, or made right into an on-foot tool in step with consumer needs. The device ought to be made right into an on-foot tool with consumer requirements. With the strength transfer function, no want for unique solving.

E. The sizers crusher teeth are manufactured from put on-resistant and effect-resistant alloy metallic, that is put on-resistant and effect-resistant and has a carrier existence of greater than 0.five-2 years. Side teeth plate is greater than 15000 hours. After numerous years of wear and tear and tear, the teeth plate and the facet teeth plate may be welded with put on-resistant steel excessive chromium iron. In order to make sure that the crusher's ordinary discharging power nevertheless meets consumer demand.
F. Frame cloth Q345 welding parts, post-welding warmness remedy, precision processing, precision assembly, to make sure dependable product nice and protection performance. Long carrier existence.
G. The part teeth plate adopts bolt connection, which is handy to apply and preserve and saves protection price.
H. Reliable mechanical safety and electrical safety to make sure the secure use of the device, and emergency safety of the device.
I. Through modularization and standardization of the device, every hyperlink from layout to manufacturing is optimized to finish the gold standard configuration of the device and merchandise which can be greater appropriate for clients with high-satisfactory price performance.
J. Good sealing measures are taken at all of the joint surfaces to save you air leakage, duct leakage, and oil leakage. The substitute cycle of the container joint floor seal, inspection door seal, and bearing seal is an overhaul cycle.The HENAN EXCELLENT MACHINERY CO., LTD is a professional bulk material conveying equipment manufacturer. We have a professional production capacity and rich production experience as well as strict product quality inspection. We can guarantee that every piece of equipment we produced is qualified equipment, and we ensure the qualified rate of the products. To know more about our products, Please visit our official website: https://www.exctmach.com/.