GME +GLOBAL MINING MACHINE

Hammer For Rotary Impact Crusher

Impact Rotary Crusher | Crusher Mills, Cone Crusher, Jaw ...

RK Series hydraulic rotary crusher; Excavation line. HM Series hammer hydraulic breaker; Recycling. ... and it represents the first step for the recovery of areas in disuse and sanitation of areas with strong environmental impact. Demolition is divided into 3 different phases: The Primary Demolition is that complex of works aimed at breaking ...

HAMMER CRUSHER_ZK Ball Mill_Cement Mill_Rotary Kiln ...

Impact Crusher [ type HB With Hammer Bar Arrangement Rotor Hammer Bars TRF Hammer Bar type Impact Crushers are suitable for crushing hard rocks such as limestone, dolomite, granite and other similar materials under toughest operating conditions. The …

Rotary hammer - Wikipedia

We mainly supply Jaw crusher, Impact crusher, Cone crusher,Hammer crusher,Ball mill,Spiral classifier,Sand Making Machine,Rotary dryer,Rotary Kiln,Coal Gasifier,Cement … Impact Pulverizer, Impact Pulverizer Manufacturer, Impact …

Hammer Crusher | Stone Crusher Machine - jxscmachine.com

Ring Hammer Crushers. Williams Ring Crusher hammer mills are designed for high and consistent production, long life, and easy service. These ring hammer crushers utilize cutting rings that are specially designed to reduce the size, and therefore the volume, of metal turnings, "bushelings," or "clips" through efficient impact crushing.

Crusher - Wikipedia

Hammer crushers are of a progressive design that combines the advantages of impact crushers with those of hammer crushers. Crushers are pre...More. Cone Crusher CS Series. cone crushers were built for decades of reliable service. The design was as simple as possible with features that were user friendly, and c...More. VSI Vertical ...

HAMMER FOR ROTARY IMPACT CRUSHER - patents.justia.com

New and Used Impact Crushers for Sale Savona Equipment is an impact crusher supplier worldwide.Each crusher is designed to work with a certain maximum size of raw material, and often delivers its output to a screening machine which sorts and directs the product for further processing.

Impact Crusher Working Principle

Impact crusher has two or three crushing cavity, while hammer crusher only has one crushing cavity; 6. When there is uncrushable or oversized material in the crushing cavity of the impact crusher, the pull rod will push out the impact plate fixed on the back rack, and then the material will be discharged out of the impact crusher, but the ...

China Brittle Stone Hammer Crusher with Grilles - China ...

Shanghai MG- China supplier of Stone Crusher,Jaw Crusher,Impact Crusher,Fine Impact Crusher,Box Hammer Crusher.The products have got the international quality certification of ISO9001:2000 and the European CE certification.

RK Series Hydraulic rotary crusher - Mustang Hammer

Stedman Machine Company manufactures The Grand-Slam, a secondary impact crusher, which is built to handle thousands of materials, ores, granite, and chemicals in wet and dry applications, like stone crushing. Our stone crushing equipment is available in various sizes with feed, capacity, and horsepower options. Request your quote today!

Demolition Archives - Mustang Hammer

The Hammer crusher is an important stone crusher machine for crushing limestone, coal or other brittle materials in metallurgical, building material, chemical, and hydroelectric industries. hammer crusher characterized with one-step forming, large crushing ratio, high …

KQ-50 Low Air Pressure DTH Rotary Hammer for Crusher

Function. Compared to less advanced power units known as hammer drills, rotary hammers tend to be larger and provide a bigger impact force by utilizing a technology called the "electro-pneumatic" (EP) hammering mechanism, because it is powered directly by electricity instead of a separate air compressor.Rotary hammers have two pistons – a drive piston, and a flying piston.

Diesel Engine Hammer Crusher - yuhongmachine.com

May 07, 2013· Crusher includes Jaw crusher, Stone crusher, Impact crusher. mineral processing equipment includes ball mill … industrial rotary dryers for sale,industrial rotary dryer … Zenith's Industrial Rotary Dryer Metal ore Processing 1103 Views.

YULONG Rotary straw hammer mill crusher - YouTube

Efficient three-stage crushing operations Hammer Crusher Double – shaft hammer crushers are mainly used in the cement industry for the comminution of soft to medium-hard, but also moist and tough materials: Limestone, gypsum, chalk, clay and marl, as well as lignite and pit coal. The crushing of the feed material is effected by percussion, impact […]

Impact crusher - sinoninetech.com

PCH series ring hammer crusher is one of crush equipment,this impact rotor crusher with ring hammer,the feeding materials is crushed by impact effect from high speed revolution ring hammer with rotor,the crushed materials obtain kinetic energy from ring hammer at the same time,rush to the breaking plate with high speed,by the second break,then fell on the screen plate,materials is crushed ...

Hammer Crusher: HDS - Hazemag North America

An impact hammer mountable to the drum of a rotary crusher employs an attachment bolt having a tapered head which is wedged into a tapered socket in the impact hammer body. A "supernut" is used to secure the bolt to the rotary drum. The supernut is tightened against the rotary shear head until it is snug. Then, threaded locking posts, which pass through the periphery of the supernut, are ...

MODEL KR Bar Arrangement Impact Crushers - TRF Limited

hammer crushers are used in coal applicationin thermal power plant. We have being supplying toothed ring hammer and rotary hammers tothermal power plants located in Jharkhand, West Bengal, Chhattisgarh, Bihar,Madhya Pradesh, Telangana,Maharashtra and Karnataka.

Hammer Crusher - zkcomp.com

China KQ-50 Low Air Pressure DTH Rotary Hammer for Crusher, Find details about China Impact hammer, hammer from KQ-50 Low Air Pressure DTH Rotary Hammer for Crusher - Quzhou Refine Machinery Equipment Co., Ltd.

China Jaw Crusher manufacturer, Hammer Crusher, Impact ...

Hammer Crusher is a kind of impact and rotor crusher with ring hammers. When the material enters into the crusher, it will be crushed by the high speed ring hammer fistly. Crushed materials obtain kinetic energy from ring hammer at the same time,rush to the breaking plate with high speed,by the second break,then fell on the screen plate,materials is crushed further by cutting,pressure,grinding ...

Impact Dryer Mill | Crusher Mills, Cone Crusher, Jaw Crushers

Williams Patent Crusher specializes in manufacturing industry-leading size reduction equipment for a variety of applications. Learn more about Williams pulverizers, impact dryer mills, hammer mills, shredders, impact crushers and more.

Size Reduction Equipment | Pulverizers & Crushers ...

Hamme crusher is called hammer mill. This series of crusher is the first choice of equipment for small sand production line with less investment and fast returns, change the form of grid bar. you can do a selective discharge.. This series of products has the features of small size, light weight, simple structure, easy operation and maintenance, large crushing ratio, small over crushing ...

Impact rotary crusher | worldcrushers

Our EV Hammer Impact Crusher, however, competently reduces quarry-size limestone boulders measuring up to 2.5 metres and weighing up to 5 tonnes to mill feed of 25 millimetres. This is a reduction ratio of 1:100 in a single operation. The EV Hammer Impact Crusher features a highly effective two-stage crushing process.

crusher impact rotor speed - restoranmystique.me

【Working principle of small hammer crusher】: The crusher hammer is mainly crush the materials by impact crashing, the crushing processing is like this, the materials put into the crusher, broken by high speed rotation cashing, and with high speed cashing in baffles and screen bars, the broken material been repeatedly conflict, the bigger particle materials hammer again on the screen bars ...

New & Used Impact Crushers for Sale | Rock Crushing ...

Feb 24, 2009· An impact hammer assembly mountable on the drum of a rotary crusher, said impact hammer comprising: a body block having at least one tungsten carbide crusher insert welded thereto; a layer of tungsten carbide particles embedded in a hard-facing weldment layer applied to wear surfaces on said body block; and a generally cylindrical mounting post ...

What's the Difference between Impact Crusher and Hammer ...

An impact hammer mountable to the drum of a rotary crusher employs an attachment bolt having a tapered head which is wedged into a tapered socket in the impact … China impact rotary crusher PF-1515, View China impact rotary … China impact rotary crusher PF-1515-On this Product Details Page, You Can Find Comprehensive and in-Depth China ...

Ring Hammer Crusher -China Henan Zhengzhou Mining ...

The impact crusher is crushing by using a high-speed rotary hammer to impact the ore. Figure 2 is a schematic diagram of the working principle of a impact crusher. When the hammer impacted the ore into the crushing chamber is very high speed rotation and selective crushing. The ore obtained tremendous kinetic energy from the impact process, and ...

Small Hammer Mill | Hammer crusher | Mining Equipment ...

An impact hammer mountable to the drum of a rotary crusher employs an attachment bolt having a tapered head which is wedged into a tapered socket in the impact hammer body. A "supernut" is used to secure the bolt to the rotary drum. The supernut is tightened against the rotary shear head until it is snug. Then, threaded locking posts, which pass through the periphery of the supernut, are ...

Jaw Crusher,Stone Crusher,Impact Crusher,Hammer Crusher ...

May 30, 2018· Zhengzhou Huahong Machinery Equipment Co., Ltd. is located in National Hi-Tech Industrial Development Zone of Zhengzhou City, Henan Province, Our products passed the ISO9001 international quality system certification, its annual output value of a billion dollars, Huahong has 10, 000 square meters of heavy industrial plant more than 200 units of ...

Hammer Mill Crushers | Discover Williams' Industrial Solutions

3.4 Impact crusher 3.4.1 Horizontal shaft .fixed upon the outer edge of a spinning rotor. - impact crusher self-impact crusher .speed governing constant weight feeder .rotor drum Granulator tailings recovery . Operation and maintenance of hammer crusher_Hunan Fengwei . Hammer crusher is a high-speed rotary crushing machine.

Secondary Impact Crushers - Stone & Granite Crushing ...

Impact crushing can be of two variations: gravity and dynamic. An example of gravity impact would be dropping a rock onto a steel plate (similar to what goes on into an Autogenous Mill). Dynamic impact could be described as material dropping into a rapidly turning rotor where it receives a smashing blow from a hammer or impeller.

Impact Rotary Crusher, Impact Rotary Crusher ... - Alibaba

Brittle Stone Hammer Crusher With Grilles : 1. Brief descrirption for hammer crusher for sale: The series of hammer crushers for sale products have the features of small volume,light weight,simple structure,easy operation and maintenance,high ratio of crushing,too little crush, even product size,high producing capacity .They are suitable for crushing all the materials of brittle,medium ...

Hammer for rotary impact crusher - Knotts, Brook H.

The 911MPE-IC4000 is our high performance impact crusher or better known as Hammer Mill Grinder. Specially engineered to outperform those run-of-the-mill chain mills often falsely called hammer mills. This crusher is effectively a small scale replica of industrial impactors. In this rock crushing machine, rock is projected against the inner cage and shatters by impact.

Hammer Crusher,Hammer Mill Crusher,Hammer Stone Crusher ...

• Use: The series of rotary crushers "RK" was studied for primary demolition. Thanks to a 360 ° rotation and a high power, the complete range is receiving immense popularity among insiders. • Reliability: The materials used (Hardox or Quard) and the design practical and well-designed, ensure high reliability and superior performance.

Strong and reliable hammer impact crusher I FL

We offer all kinds of crusher such as stone crusher, rock crusher, hammer crusher, impact crusher, cone crusher, mobile crusher, jaw crusher etc. Tel: +86-15333827088.

Hammer Mill Grinder - 911metallurgist.com

May 13, 2019· 1. Power: 110+5.5+1.5kw 2. Capacity: 2-3ton/h 3. Machine work with air fan, cyclone, air lock, bags dust collector Shandong Yulong Machine Co.,Ltd.

Hammer crushers | hammer - Dolphinengineering.net

Working principle of the impact rotary crusher : impact rotary crusher is a kind of broken by impact energy to the material of crushing machinery . When the impact crusher works, the motor drives the rotor rotate of the impact crusher with high speed, on the rotor where installed the hammers.

Stone Crusher Machine - YuKuang Machinery

Impact crusher. Impact crushers involve the use of impact rather than pressure to crush material. The material is contained within a cage, with openings on the bottom, end, or side of the desired size to allow pulverized material to escape. There are two types of impact crushers: horizontal shaft impactor and vertical shaft impactor.

US7494080B2 - Hammer for rotary impact crusher - Google ...

The diesel engine crusher is mainly used in some place that don't have enough electricity or without electricity. The small diesel stone crusher or diesel rock crusher can do the middle or fine crushing for every kind of rocks and stones,consisting of diesel jaw crusher,diesel roller crusher,diesel impact crusher and diesel hammer crusher.

Impact Rotary Crusher | Crusher Mills, Cone Crusher, Jaw ...

RK Series hydraulic rotary crusher; Excavation line. HM Series hammer hydraulic breaker; Recycling. ... and it represents the first step for the recovery of areas in disuse and sanitation of areas with strong environmental impact. Demolition is divided into 3 different phases: The Primary Demolition is that complex of works aimed at breaking ...

HAMMER CRUSHER_ZK Ball Mill_Cement Mill_Rotary Kiln ...

Impact Crusher [ type HB With Hammer Bar Arrangement Rotor Hammer Bars TRF Hammer Bar type Impact Crushers are suitable for crushing hard rocks such as limestone, dolomite, granite and other similar materials under toughest operating conditions. The …

Rotary hammer - Wikipedia

We mainly supply Jaw crusher, Impact crusher, Cone crusher,Hammer crusher,Ball mill,Spiral classifier,Sand Making Machine,Rotary dryer,Rotary Kiln,Coal Gasifier,Cement … Impact Pulverizer, Impact Pulverizer Manufacturer, Impact …

Hammer Crusher | Stone Crusher Machine - jxscmachine.com

Ring Hammer Crushers. Williams Ring Crusher hammer mills are designed for high and consistent production, long life, and easy service. These ring hammer crushers utilize cutting rings that are specially designed to reduce the size, and therefore the volume, of metal turnings, "bushelings," or "clips" through efficient impact crushing.

Crusher - Wikipedia

Hammer crushers are of a progressive design that combines the advantages of impact crushers with those of hammer crushers. Crushers are pre...More. Cone Crusher CS Series. cone crushers were built for decades of reliable service. The design was as simple as possible with features that were user friendly, and c...More. VSI Vertical ...

HAMMER FOR ROTARY IMPACT CRUSHER - patents.justia.com

New and Used Impact Crushers for Sale Savona Equipment is an impact crusher supplier worldwide.Each crusher is designed to work with a certain maximum size of raw material, and often delivers its output to a screening machine which sorts and directs the product for further processing.

Impact Crusher Working Principle

Impact crusher has two or three crushing cavity, while hammer crusher only has one crushing cavity; 6. When there is uncrushable or oversized material in the crushing cavity of the impact crusher, the pull rod will push out the impact plate fixed on the back rack, and then the material will be discharged out of the impact crusher, but the ...

China Brittle Stone Hammer Crusher with Grilles - China ...

Shanghai MG- China supplier of Stone Crusher,Jaw Crusher,Impact Crusher,Fine Impact Crusher,Box Hammer Crusher.The products have got the international quality certification of ISO9001:2000 and the European CE certification.

RK Series Hydraulic rotary crusher - Mustang Hammer

Stedman Machine Company manufactures The Grand-Slam, a secondary impact crusher, which is built to handle thousands of materials, ores, granite, and chemicals in wet and dry applications, like stone crushing. Our stone crushing equipment is available in various sizes with feed, capacity, and horsepower options. Request your quote today!

Demolition Archives - Mustang Hammer

The Hammer crusher is an important stone crusher machine for crushing limestone, coal or other brittle materials in metallurgical, building material, chemical, and hydroelectric industries. hammer crusher characterized with one-step forming, large crushing ratio, high …

KQ-50 Low Air Pressure DTH Rotary Hammer for Crusher

Function. Compared to less advanced power units known as hammer drills, rotary hammers tend to be larger and provide a bigger impact force by utilizing a technology called the "electro-pneumatic" (EP) hammering mechanism, because it is powered directly by electricity instead of a separate air compressor.Rotary hammers have two pistons – a drive piston, and a flying piston.

Diesel Engine Hammer Crusher - yuhongmachine.com

May 07, 2013· Crusher includes Jaw crusher, Stone crusher, Impact crusher. mineral processing equipment includes ball mill … industrial rotary dryers for sale,industrial rotary dryer … Zenith's Industrial Rotary Dryer Metal ore Processing 1103 Views.

YULONG Rotary straw hammer mill crusher - YouTube

Efficient three-stage crushing operations Hammer Crusher Double – shaft hammer crushers are mainly used in the cement industry for the comminution of soft to medium-hard, but also moist and tough materials: Limestone, gypsum, chalk, clay and marl, as well as lignite and pit coal. The crushing of the feed material is effected by percussion, impact […]

Impact crusher - sinoninetech.com

PCH series ring hammer crusher is one of crush equipment,this impact rotor crusher with ring hammer,the feeding materials is crushed by impact effect from high speed revolution ring hammer with rotor,the crushed materials obtain kinetic energy from ring hammer at the same time,rush to the breaking plate with high speed,by the second break,then fell on the screen plate,materials is crushed ...

Hammer Crusher: HDS - Hazemag North America

An impact hammer mountable to the drum of a rotary crusher employs an attachment bolt having a tapered head which is wedged into a tapered socket in the impact hammer body. A "supernut" is used to secure the bolt to the rotary drum. The supernut is tightened against the rotary shear head until it is snug. Then, threaded locking posts, which pass through the periphery of the supernut, are ...

MODEL KR Bar Arrangement Impact Crushers - TRF Limited

hammer crushers are used in coal applicationin thermal power plant. We have being supplying toothed ring hammer and rotary hammers tothermal power plants located in Jharkhand, West Bengal, Chhattisgarh, Bihar,Madhya Pradesh, Telangana,Maharashtra and Karnataka.

Hammer Crusher - zkcomp.com

China KQ-50 Low Air Pressure DTH Rotary Hammer for Crusher, Find details about China Impact hammer, hammer from KQ-50 Low Air Pressure DTH Rotary Hammer for Crusher - Quzhou Refine Machinery Equipment Co., Ltd.

China Jaw Crusher manufacturer, Hammer Crusher, Impact ...

Hammer Crusher is a kind of impact and rotor crusher with ring hammers. When the material enters into the crusher, it will be crushed by the high speed ring hammer fistly. Crushed materials obtain kinetic energy from ring hammer at the same time,rush to the breaking plate with high speed,by the second break,then fell on the screen plate,materials is crushed further by cutting,pressure,grinding ...

Impact Dryer Mill | Crusher Mills, Cone Crusher, Jaw Crushers

Williams Patent Crusher specializes in manufacturing industry-leading size reduction equipment for a variety of applications. Learn more about Williams pulverizers, impact dryer mills, hammer mills, shredders, impact crushers and more.

Size Reduction Equipment | Pulverizers & Crushers ...

Hamme crusher is called hammer mill. This series of crusher is the first choice of equipment for small sand production line with less investment and fast returns, change the form of grid bar. you can do a selective discharge.. This series of products has the features of small size, light weight, simple structure, easy operation and maintenance, large crushing ratio, small over crushing ...

Impact rotary crusher | worldcrushers

Our EV Hammer Impact Crusher, however, competently reduces quarry-size limestone boulders measuring up to 2.5 metres and weighing up to 5 tonnes to mill feed of 25 millimetres. This is a reduction ratio of 1:100 in a single operation. The EV Hammer Impact Crusher features a highly effective two-stage crushing process.

crusher impact rotor speed - restoranmystique.me

【Working principle of small hammer crusher】: The crusher hammer is mainly crush the materials by impact crashing, the crushing processing is like this, the materials put into the crusher, broken by high speed rotation cashing, and with high speed cashing in baffles and screen bars, the broken material been repeatedly conflict, the bigger particle materials hammer again on the screen bars ...

New & Used Impact Crushers for Sale | Rock Crushing ...

Feb 24, 2009· An impact hammer assembly mountable on the drum of a rotary crusher, said impact hammer comprising: a body block having at least one tungsten carbide crusher insert welded thereto; a layer of tungsten carbide particles embedded in a hard-facing weldment layer applied to wear surfaces on said body block; and a generally cylindrical mounting post ...

What's the Difference between Impact Crusher and Hammer ...

An impact hammer mountable to the drum of a rotary crusher employs an attachment bolt having a tapered head which is wedged into a tapered socket in the impact … China impact rotary crusher PF-1515, View China impact rotary … China impact rotary crusher PF-1515-On this Product Details Page, You Can Find Comprehensive and in-Depth China ...

Ring Hammer Crusher -China Henan Zhengzhou Mining ...

The impact crusher is crushing by using a high-speed rotary hammer to impact the ore. Figure 2 is a schematic diagram of the working principle of a impact crusher. When the hammer impacted the ore into the crushing chamber is very high speed rotation and selective crushing. The ore obtained tremendous kinetic energy from the impact process, and ...

Small Hammer Mill | Hammer crusher | Mining Equipment ...

An impact hammer mountable to the drum of a rotary crusher employs an attachment bolt having a tapered head which is wedged into a tapered socket in the impact hammer body. A "supernut" is used to secure the bolt to the rotary drum. The supernut is tightened against the rotary shear head until it is snug. Then, threaded locking posts, which pass through the periphery of the supernut, are ...

Jaw Crusher,Stone Crusher,Impact Crusher,Hammer Crusher ...

May 30, 2018· Zhengzhou Huahong Machinery Equipment Co., Ltd. is located in National Hi-Tech Industrial Development Zone of Zhengzhou City, Henan Province, Our products passed the ISO9001 international quality system certification, its annual output value of a billion dollars, Huahong has 10, 000 square meters of heavy industrial plant more than 200 units of ...

Hammer Mill Crushers | Discover Williams' Industrial Solutions

3.4 Impact crusher 3.4.1 Horizontal shaft .fixed upon the outer edge of a spinning rotor. - impact crusher self-impact crusher .speed governing constant weight feeder .rotor drum Granulator tailings recovery . Operation and maintenance of hammer crusher_Hunan Fengwei . Hammer crusher is a high-speed rotary crushing machine.

Secondary Impact Crushers - Stone & Granite Crushing ...

Impact crushing can be of two variations: gravity and dynamic. An example of gravity impact would be dropping a rock onto a steel plate (similar to what goes on into an Autogenous Mill). Dynamic impact could be described as material dropping into a rapidly turning rotor where it receives a smashing blow from a hammer or impeller.

Impact Rotary Crusher, Impact Rotary Crusher ... - Alibaba

Brittle Stone Hammer Crusher With Grilles : 1. Brief descrirption for hammer crusher for sale: The series of hammer crushers for sale products have the features of small volume,light weight,simple structure,easy operation and maintenance,high ratio of crushing,too little crush, even product size,high producing capacity .They are suitable for crushing all the materials of brittle,medium ...

Hammer for rotary impact crusher - Knotts, Brook H.

The 911MPE-IC4000 is our high performance impact crusher or better known as Hammer Mill Grinder. Specially engineered to outperform those run-of-the-mill chain mills often falsely called hammer mills. This crusher is effectively a small scale replica of industrial impactors. In this rock crushing machine, rock is projected against the inner cage and shatters by impact.

Hammer Crusher,Hammer Mill Crusher,Hammer Stone Crusher ...

• Use: The series of rotary crushers "RK" was studied for primary demolition. Thanks to a 360 ° rotation and a high power, the complete range is receiving immense popularity among insiders. • Reliability: The materials used (Hardox or Quard) and the design practical and well-designed, ensure high reliability and superior performance.

Strong and reliable hammer impact crusher I FL

We offer all kinds of crusher such as stone crusher, rock crusher, hammer crusher, impact crusher, cone crusher, mobile crusher, jaw crusher etc. Tel: +86-15333827088.

Hammer Mill Grinder - 911metallurgist.com

May 13, 2019· 1. Power: 110+5.5+1.5kw 2. Capacity: 2-3ton/h 3. Machine work with air fan, cyclone, air lock, bags dust collector Shandong Yulong Machine Co.,Ltd.

Hammer crushers | hammer - Dolphinengineering.net

Working principle of the impact rotary crusher : impact rotary crusher is a kind of broken by impact energy to the material of crushing machinery . When the impact crusher works, the motor drives the rotor rotate of the impact crusher with high speed, on the rotor where installed the hammers.

Stone Crusher Machine - YuKuang Machinery

Impact crusher. Impact crushers involve the use of impact rather than pressure to crush material. The material is contained within a cage, with openings on the bottom, end, or side of the desired size to allow pulverized material to escape. There are two types of impact crushers: horizontal shaft impactor and vertical shaft impactor.

US7494080B2 - Hammer for rotary impact crusher - Google ...

The diesel engine crusher is mainly used in some place that don't have enough electricity or without electricity. The small diesel stone crusher or diesel rock crusher can do the middle or fine crushing for every kind of rocks and stones,consisting of diesel jaw crusher,diesel roller crusher,diesel impact crusher and diesel hammer crusher.