TECHNICAL SCOPE OF SUPPLY

Transcription

1 TABLE OF CONTENTS 1.0 GENERAL DATA 2.0 MAIN FRAME 3.0 MAIN SHAFT 4.0 ADJUSTMENT RING 5.0 HEAD 6.0 BOWL 7.0 CLAMP RING 8.0 ECCENTRIC 9.0 SOCKET 10.0 COUNTERSHAFT 11.0 CRUSHER HYDRAULIC SYSTEM AND SETTING ADJUSTMENT SYSTEM 12.0 LUBRICATION SYSTEM 13.0 ECCENTRIC GEAR AND PINION 14.0 POSITIVE PRESSURE DUST SYSTEM 15.0 TOOLS LIST 16.0 DRIVE 17.0 LUBRICATION SCHEDULE Page 1

2 1.0 GENERAL DATA 1.1 Manufacturer: Metso Minerals 1.2 Model: HP800 Cone Crusher 1.3 Feed Opening: Application dependent 1.4 Minimum Close Side Setting: in (10 mm) 1.5 Maximum Close Side Setting: 2.5 in (64 mm) 1.6 Countershaft Speed: 720 to 900 RPM 1.7 WK 2 of Crusher 6,906 lbs. ft 2 (291 kg m 2 ) 1.8 Weights Total: 151,200 lbs. (68,583 kg) Main Frame Assembly: 43,700 lbs. (19,822 kg) Bowl Assembly, Bowl Liner & Hopper: 38,220 lbs. (17,336 kg) Head Assembly, Mantle & Feed Plate: 23,790 lbs. (10,791 kg) Eccentric Assembly: 11,510 lbs. (5,221 kg) Adjustment Ring, Clamping Ring, Clamping Cylinders and Adjustment Mechanism: 21,425 lbs. (9,718 kg) Countershaft Assembly and Sheave: 4,015 lbs. (1,821 kg) Mantle: 9,970 lbs. (4,522 kg) Bowl Liner: 10,375 lbs. (4,706 kg) Hydraulic Power Unit 2,456 lbs. (1,114 kg) Package Lube System Air Cooled Dry: 3,860 lbs. (1,751 kg) Full Oil Tank: 5,740 lbs. (2,604 kg) Package Lube System Water Cooled Dry: 4,350 lbs. (1,973 kg) Full Oil Tank: 6,230 lbs. (2,826 kg) Skid Mounted Air Coolers: 6,320 lbs. (2,867 kg) Heaviest for erection: Main Frame, Adjustment Ring, Tramp Release, Eccentric, Socket, and Countershaft Assembly 88,330 lbs. (40,066 kg) Heaviest for Maintenance: Bowl Assembly 38,220 lbs. (17,336 kg) 1.9 Mounting Crusher can be mounted directly onto a set of four (4) sole plates, or directly grouted onto a concrete foundation, or mounted onto a steel structure, or mounted on a sub-base grouted onto a concrete foundation or on an isolation frame on top of a steel or concrete foundation. Foundation bolts are by others Drive Drive equipment (motor and jackshaft) is optional. Page 2

3 1.0 GENERAL DATA (CONTINUED) 1.11 Shipment Crusher is shipped in the following sub-assemblies for final onsite field assembly: Main Frame w/ Adjustment Ring, Eccentric, Socket, and Countershaft Assembly. Head Assembly Bowl Assembly Hydraulic Power Unit Oil Cooler (Air) Package Lubrication System Ships on a skid Ships on a skid Ships on a skid Ships in a box Ships in a box Ships on a skid Remaining Items 1.12 Drawings and Manuals in English Language. Shipped loose; skidded or boxed. Page 3

4 2.0 MAIN FRAME Cast steel Main Frame with forged steel stationary Main Shaft and steel Main Frame Liners for wear protection. Also included are Ni-hard Arm Guards, bronze Main Frame Seat Liners, and replaceable Countershaft Frame Ring. A steel thrust bearing plate is provided to support the Eccentric Assembly. An RTD is mounted at the inside diameter of the thrust bearing plate to measure the Eccentric Bushing oil temperature exiting the bottom of the Eccentric Bushing. 2.1 Construction: Material 2.2 Diameter (at the top) 2.3 Base Dimensions: Height 2.4Weight: 2.5 Arm Liners Three (3) Material: Weight: Thickness: 2.6 Main Frame Liner Material: Weight: Thickness: Carbon steel casting Grade in (2,591 mm) in X (3,259 mm) X in (3,259 mm) 78.4 in (1,991 mm) 34,952 lbs. (15,854 kg) Manganese steel Each, 330 lbs. (150 kg) 1.6 in (41 mm) T1 steel 1,581 lbs. (717 kg) Side Liners 0.5 in (13 mm) Page 4

5 3.0 MAIN SHAFT One (1) piece alloy steel pedestal-type forging rigidly held in a tapered bore in the center of the main frame. Oil passages through the main shaft direct oil to the main bushings and socket liner. 3.1 Construction: Forged steel Material ASTM A668/A668M-Class LH 3.2 Weight: 4,910 lbs. (2,227 kg) 3.3 Overall Length: 62.4 in (1,585 mm) 3.4 Diameter (in eccentric bushing) 18.5 in (470 mm) 4.0 ADJUSTMENT RING The cast steel Adjustment Ring is used to create a force limiting joint with the Main Frame to protect against tramp iron or crushing force overload. The Adjustment Ring is held down using nine (9) double acting hydraulic Tramp Release Cylinders, each with an accumulator to create a hydraulic spring return action. The Adjustment Ring is threaded on its interior diameter to engage with the bowl threads to provide for adjustment of the crusher setting. Four (4) Vibration Sensors are provided to warn of operation in a force overload condition. The Vibration Sensors provide a 4-20 ma signal proportional to the vibration velocity, which are used for alarms and data trending. 4.1 Material: Grade , Cast carbon steel 4.2 Weight: 14,072 lbs. (6,383 kg) 4.3 Diameter (max.): in (3,701 mm) Page 5

6 5.0 CLAMP RING The ductile iron Clamp Ring mounted above the Adjustment Ring is threaded on its interior diameter. The bowl threads pass through the Clamp Ring before engaging the Adjustment Ring threads. The Clamp Ring is used to mechanically clamp the threads by hydraulically separating the Adjustment Ring from the Clamp Ring by use of sixteen (16) Clamp Cylinders mounted within the Clamp Ring. The Clamp Cylinders hold the adjustment ring threads tight against the bowl threads during crushing. 5.1 Material: Cast ductile iron 5.2 Weight: 3,042 lbs. (1,380 kg) 5.3 Diameter: 98.4 in (2,499 mm) 6.0 BOWL Cast steel Bowl with manganese steel crushing liner (Bowl Liner) held in place with wedges and supported by an epoxy resin backing material. The Bowl is threaded on its exterior to allow engagement with the Adjustment Ring so that the setting can be adjusted by rotating the Bowl. Two (2) different Bowls are available depending on the liner configurations applied. Coarse (STD) Bowl to be used with Standard Extra-Coarse, Standard Coarse, Standard Medium, Standard Fine, and Standard Extra Fine liners. Fine (SH) Bowl to be used with Standard Fine, Short Head Coarse, Short Head Medium, Short Head Fine liners. 6.1 Material: Grade 90-60, Cast carbon steel 6.2 Liner Material: Manganese steel 6.3 Liner Thickness: Up to 7.7 in (196 mm) 6.4 Vertical Range of Adjustment: 20.9 in (531 mm) 6.5 Weight (Bowl and Bowl Liner): 33,996 lbs. (15,420 kg) Page 6

7 7.0 HEAD Cast steel Head configured to absorb the crushing load and to support the manganese steel crushing liner (Mantle). The Head is held in place with a threaded Locking Bolt and epoxy resin backing material. The Head Assembly contains an upper head bushing for no-load stability and a lower head bushing for transmission of radial loads to the eccentric. The Head has a replaceable Head Ball, which supports the vertical loads. Vertical loads are transmitted to the main shaft through the Head Ball and Socket Assembly. 7.1 Material: Grade 80-50, Cast carbon steel 7.2 Weight: 11,865 lbs. (5,832 kg) 7.3 Diameter: 70 in (1,778 mm) 7.4 Feed Plate Material: Manganese steel 7.5 Feed Plate Weight: 181 lbs. (82 kg) 7.6 Mantle Material: Manganese steel 7.7 Mantle Thickness: Up to 8.1 in (206 mm) 7.8 Mantle Weight (configuration dependent): Approx. 9,970 lbs. (4,522 kg) Page 7

8 7.0 HEAD (CONTINUED) At the top of the Mantle a Locking Bolt is used to initially pre-load the Mantle to hold it in position and to provide a self-tightening action while crushing. A sacrificial Torch Ring is provided to enable easy removal of the Mantle. The retention force held by the Locking Bolt is released when the Torch Ring is cut-off Locking Bolt Material: Steel forging 7.11 Weight: 306 lbs. (139 kg) The under side of the Head is counter bored for a Head Ball that is held in place by an interference fit in the Head and two (2) Head Bushings (Upper and Lower Head Bushing) that are also held in place by an interference fit, keys and cap screws Upper Head Bushing Material: ASTM B , aluminum bronze 7.13 Weight: 178 lbs. (81 kg) 7.14 Diameter (Outer): 29.6 in (752 mm) 7.15 Lower Head Bushing Material: Cast bronze 7.16 Weight: 665 lbs. (302 kg) 7.17 Diameter (Outer): 38.4 in (975 mm) Page 8

9 8.0 ECCENTRIC The cast iron Eccentric transmits power from the Gear set to the Head by rotating its offset outside diameter relative to the inside diameter that is supported by the Main Shaft, thus causing the gyratory motion of the Head. The Eccentric contains an Eccentric Bushing to provide a bearing surface to allow rotation and horizontal force transmission between the Eccentric and the stationary Main Shaft. The Eccentric has a bronze thrust plate attached to its bottom surface to support the weight of the eccentric assembly as it rotates. This thrust plate rides on the corresponding steel plate on the Main Frame. Attached to the Eccentric is a cast steel Counterweight that helps to balance the crusher and also incorporates non-contacting labyrinth dust seals between the Main Frame and the Counterweight as well as between the Head and the Counterweight. 8.1 Material: ASTM Class 45C, Iron casting 8.2 Diameter Inner: 20.4 in (518 mm) Outer: 31.1 in (790 mm) At Flange: 44.9 in (1,140 mm) 8.3 Length: 28.5 in (724 mm) 8.4 Weight: 4,732 lbs. (2,146 kg) Page 9

10 8.0 ECCENTRIC (CONTINUED) An Eccentric Bushing locked into the Eccentric bore provides the bearing surface for the Main Shaft. 8.5 Material: Bronze casting 8.6 Diameter Inner: 18.5 in (470 mm) Outer: 20.4 in (518 mm) 8.7 Length: 27 in (686 mm) 8.8 Weight: 464 lbs. (210 kg) The Counterweight installed on the Eccentric has a light and heavy side and is positioned to reduce the unbalanced forces created by the motion of the head assembly. A cover is welded to the Counterweight to protect it from discharging material. The area beneath the cover is filled with foam to prevent from dust build up. 8.9 Material: Cast steel 8.10 Weight: 4,245 lbs. (1,926 kg) 9.0 SOCKET The Socket consists of a forged steel plate mounted on top of the Main Shaft and held in place with bolts and a tight interference fit. It is fitted on top with a bronze spherical seat called the Socket Liner to support the vertical crushing forces from the Head through the Head Ball. Page 10

11 10.0 COUNTERSHAFT Power is transmitted from the electric drive motor to the Eccentric by means of a Countershaft and a right angle Gear drive. The Countershaft is a steel shaft supported by two (2) bronze bushings located within a cast iron cartridge assembly called the Countershaft Box. The Countershaft Box has an oil seal on its inner fit to the Main Frame hub and is held in place by use of a bolted flange on its outer fit to the Main Frame shell. An RTD with transmitter is provided to monitor the outer Countershaft Box Bushing temperature Material for housing: Cast iron 10.2 Weight for housing: 1,685 lbs. (764 kg) 10.3 Material for Countershaft: AISI 4140, Hot rolled steel 10.4 Length of Countershaft: 68.9 in (1,750 mm) 10.5 Diameter of Countershaft: 5.9 in (150 mm) 10.6 Weight of Countershaft: 548 lbs. (249 kg) 10.7 Material for Countershaft Bushings: Bronze sleeve 9.2 Bushing Diameter Inner: 5.9 in (150 mm) Outer: 7.5 in (191 mm) Page 11

12 11.0 CRUSHER HYDRAULIC SYSTEM AND SETTING ADJUSTMENT SYSTEM The crusher hydraulic system consists of a Setting Adjustment System, Tramp Release System, Cavity Clearing System, and a Hydraulic Power Unit. Setting Adjustment System The Setting Adjustment System consists of two (2) hydraulic motors coupled to hydraulically released brakes and gear reducers. These motors rotate the pinions, which are engaged with the ring gear. The ring gear then turns the bowl adjustment cap to rotate the bowl clockwise or counter clockwise within the adjustment ring. This in turn either closes or opens the crusher s closed side setting to compensate for liner wear. A third pinion is mounted on an adjustable bearing assembly to provide centering of the gear during adjustment. When making an adjustment to the setting, the pressure in the clamping cylinders located in the clamp ring is relieved to unclamp the bowl threads and allow rotation to occur. The Setting Adjustment System can be integrated into a Metso Minerals automation package to automatically adjust the crusher setting to compensate for liner wear. The automation package has a feature in the Setting Adjustment System that could protect the crusher from overload situations. Included in the automation package are a set of proximity sensors and the hydraulic system PLC to provide remote indication of the amount of bowl rotation. This is achieved by counting the pinion teeth passing the proximity sensors. Two (2) sensors are provided to enable the determination of direction. The crusher closed side setting, if desired, can be adjusted under load by setting the adjustment system for partial unclamping of the bowl threads to allow the bowl to rotate, yet not allow too much movement of the bowl threads during adjustment. Tramp Release System A set of nine (9) double acting hydraulic cylinders hold the Adjustment Ring onto the Main Frame with a pre-load force to allow normal crushing to occur without movement of the Adjustment Ring-to-Main Frame joint. In the event of an uncrushable object entering the cavity or if an operational overload occurs, the preload force is exceeded and the cylinder(s) transfer(s) oil to close-coupled accumulators (one mounted on each cylinder) which relieves the overload force. Once the overload force drops back to normal levels, the cylinder returns to its normal operating condition. Page 12

13 11.0 CRUSHER HYDRAULIC SYSTEM AND SETTING ADJUSTMENT SYSTEM (CONTINUED) Cavity Clearing System The tramp release cylinders are also used to raise the Adjustment Ring. Pressure from the tramp release cylinders must first be dumped, the Cavity Clearing System only raises the weight of the Bowl and Adjustment Ring Assemblies. The Cavity Clearing System provides a safe and convenient method to clear the crushing cavity in case of an under load stalled condition. Hydraulic Power Unit The Hydraulic Power Unit consists of an oil reservoir with sight gauge, 30 HP (22.5 kw) electric motor coupled to a piston pump, pressure filter, an integrated hydraulic circuit consisting of cartridge type relief valves, solenoid valves and needle valves. Pressure gauges are included to allow troubleshooting of the various hydraulic circuits. Pressure transmitters with digital readout are used to automatically maintain the bowl clamping pressure and tramp release cylinder pressure during normal crushing operation. The pressure transmitters are also used to warn of power unit malfunction in case of low bowl clamping pressure or low hydraulic release cylinder pressure. A combination temperature/level switch is used to signal either high reservoir oil temperature or low reservoir oil level. A remote pushbutton station is connected to the power unit cabinet by a 30 feet (9 m) cable to allow manual operation of the hydraulic functions. The Hydraulic Power Unit is controlled by a 24 volt DC Programmable Logic Controller (PLC). The PLC is used to activate the 24 volt DC hydraulic solenoid valves and power unit indicator lights. The main supply voltage can be either 24 or 48 volt DC, or the standard 120 or 240 volt AC. Power supply for the solenoid valves and PLC is 24 volt. The control system utilizes pressure transmitters with readout to display the clamp and tramp pressurization circuits. The Hydraulic Power Unit can be used as a stand-alone package or it can be incorporated with Metso Minerals or Customer supplied automation package. The stand-alone system can be hard wired for remote monitoring. The automated system communicates with Metso Minerals Automation Package via an Ethernet interface card. One significant advantage of the automated system is that all sensors for the crusher are routed to the power unit s control PLC. Hence the Hydraulic Power Unit becomes the remote I/O station. This allows for significant reduction in installation time and cost. Page 13

14 11.0 CRUSHER HYDRAULIC SYSTEM AND SETTING ADJUSTMENT SYSTEM (CONTINUED) The Crusher Hydraulic System also utilizes a patented design two speed control and high speed setting for bowl removal. The Crusher Hydraulic System allows for high speed bowl removal by allowing all pump flow to route through one motor. The second motor becomes an idler motor with no effective torque control. Thus enabling two speed control for quick turnaround and calibration of the liner. 30 ft. (9 m) of hydraulic hoses are provided as standard supply between the Hydraulic Power Unit and the Crusher Crusher Hydraulic System Tank Capacity: 90 gal. (341 liters) Oil Flow: 18 GPM (68 LPM) Oil Pressure: Max., 3200 PSI Hydraulic Pump type and capacity: Variable Piston (221 bar) Hydraulic Power Unit Motor - NEMA Design: 30 HP, 1800 RPM, 60Hz - IEC Design: 22.5 kw, 1500 RPM, 50 Hz 11.2 Setting Adjustment System Manufacturer: Metso Minerals Operating Pressure: Max., 3000 PSI (207 bar) Number of Hydraulic Motors: 2 Hydraulic Motor Manufacturer: PARKER 11.3 Adjusting Ring Gear Material: T-1 Plate Number of Teeth: 243 Thickness: 1.6 in (41 mm) 11.4 Adjustment Pinion Gear Material: AISI 4140, hot rolled quenched and tempered steel Number of Teeth: 12 Thickness: 3 in (76 mm) 11.5 Tramp Release and Clearing Cylinders Quantity: 9 Bore x Stroke: 8 x 7.7 in (203 x 196 mm) 11.6 Hydraulic Oil: ISO VG 32 oil Maximum Operating Temperature: 140 deg. F (60 deg. C) Viscosity: 28.8 to deg. C Viscosity Index: Min., 140 Start-up Quantity (approx.): 110 gal. (416 liters) Page 14

15 12.0 LUBRICATION SYSTEM The Lubrication System consists of a 275 gal. (1,041 liters) oil tank with drain line strainer and inspection cover, oil level gauge and an independent 20 HP (15 kw) electric motor driven pump. Option is available to incorporate an additional standby motor and pump assembly. The pump is a direct motor driven gear pump designed to work specifically with crushing system requirements. The reservoir has additional sensors consisting of oil temperature RTD transmitters for the tank oil temperature, drain line oil temperature, and oil temperature after the oil cooler (crusher feed oil temperature), two (2) thermometers, duplex replaceable cartridge filters with a pressure differential gauge, and a pressure differential transmitter, and two (2) 4 kw oil heaters without contactors. The filtration system consists of two filter housings, each containing three (3) high performance polypropylene filter elements, which provides a 25-micron filtration. The polypropylene filter elements are water inert, which ensures no element degradation with water intrusion, have a larger dirt holding capacity, and have the ability to withstand 35 PSI (2.4 bar) differential pressure for increased life. A duplex arrangement of the two (2) filter sets is available as an option to allow changeover from one set to the other while the lubrication system is in operation. The standard system is provided with a set of two (2) air fan coolers mounted on a separate skid, which can be connected to the package lubrication system with suitable piping. Each fan is driven by a 15 HP (11 kw) electric motor. All aircooled systems are subject to ambient conditions and elevation of the site. Detailed specification information will be required for to confirm the cooler sizing. An optional system, dual water type oil coolers with a thermostatic water regulation valve, mounted on the common lubrication system skid is available. An optional oil flow meter is available for monitoring the oil flow to the crusher Oil Flow: 145 GPM (549 LPM) 12.2 Oil Tank Capacity: 275 gal. (1,041 liters) 12.3 Working Pressure: 150 PSI (10.3 bar) 12.4 Cooling Water (optional): 50.4 GPM (191 LPM) at 80 deg. F (27 deg. C) 12.5 Heat Dissipated: 6,300 BTU/min(110,682 watts) 12.6 Immersion Heaters: Two (2) 4 kw Page 15

16 12.0 LUBRICATION SYSTEM (CONTINUED) 12.7 Lubrication Air-to-Oil Cooler (Standard): Dependent on site conditions Manufacturer: Young Model (typical): Two (2) OCS-3100 Motors: Two (2) - NEMA Design: 20 HP, 1800 RPM, 60 Hz - IEC Design: 15 kw, 1500 ROM, 50 Hz Lubrication Water-to-Oil Cooler (Option): Dependent on site conditions Manufacturer: American Standard Quantity / Model (typical): Two (2) / Number Tube Material: 90/10 CuNi Net Area: Each cooler, 45 ft 2 (4.2 m 2 ) 12.8 Lubrication Pump: Manufacturer: Viking Working Pressure: 150 PSI (10.3 bar) Motors: - NEMA Design: 20 HP, 1800 RPM, 60 Hz - IEC Design: 15 kw, 1500 RPM, 50 Hz 12.9 Lubrication Oil Filters: Three (3) elements Manufacturer: Nelson Separation Size: 25 micron Instruments: Relief Valve: FULFLO Setting: 150 PSI (10.3 bar) Pressure Differential Transmitter: United Electric Setting; alarm / crusher shutdown: 35 / 40 PSI (2.4 / 2.8 bar) Pressure Transmitter: IFM EFECTOR Temperature Transmitter: IFM EFECTOR Flow Meter (Optional): UNIVERSAL LUBRICATION OIL SPECIFICATION Use a high grade paraffin (not naphthalene) base industrial oil of viscosity specified, having a film strength, high adhesiveness to metal surfaces, and stable chemical and physical properties. The lubricant used must also have extreme pressure (EP) properties such as sulfur phosphorus additives or other anti-weld agents that are compatible with the metals used in crushers (bronze, cast iron, and steel). In addition, the lubricant should have a high viscosity index, rapid water separation, resist foaming, offer some rust and corrosion protection, resist oxidation, and have anti-wear additives. Page 16

17 12.0 LUBRICATION SYSTEM (CONTINUED) The proper oil to use is an ISO VG 150 EP Gear Oil. The lubricant should have a viscosity of: 135 to 165 cst (Centistokes) at 104 deg. F (40 deg. C) 13 cst of higher at 212 deg. F (100 deg. C) or 680 to 850 SSU at 100 deg. F (38 deg. C) 70 SSU or higher at 212 deg. F (100 deg. C) In addition, the oil must have a viscosity index of 90 or higher. Contact Metso Minerals for special recommendations when operating under extreme conditions. OIL OPERATING TEMPERATURES The oil temperature leaving the crusher should be in the range of 60 deg. F (16 deg. C) to 140 deg. F (60 deg. C). The preferred range is 100 deg. F (38 deg. C) to 130 deg. F (54 deg. C). The crusher should not be operated if the crusher drain line temperature exceeds 140 deg. F (60 deg. C) or drops below 60 deg. F (16 deg. C). Page 17

18 13.0 ECCENTRIC GEAR AND PINION The eccentric gear is heat-treated forged alloy steel with machined spiral bevel teeth. The eccentric gear is shrink fitted and bolted to the eccentric. The eccentric rotates on a bronze thrust bearing. The pinion gear is case hardened forged alloy steel with machined spiral bevel teeth. The pinion gear is shrink fitted to a machine turned steel pinion shaft. Bevel Gear Pinion Gear 10.1 Material: AISI 4340, AISI 4320, forged steel forged steel 10.2 Pitch Diameter: 50.9 in 17.6 in (1,293 mm) (447 mm) 10.3 Number of Teeth: Diametrical Pitch: Hardness (Rockwell C): 50 to to Method of Hardening: Induction Carburized 10.7 Face Width: 7.9 in 7.9 in (201 mm) (201 mm) 10.8 Bevel Angle: 25 deg. 25 deg Pressure Angle: 20 deg. 20 deg AGMA Durability Rating: 5,460 HP 5,460 HP AGMA Strength Rating: 5,690 HP 3,810 HP AGMA Quality: AGMA Standard: 2003-B B97 Page 18

19 14.0 POSITIVE PRESSURE DUST SYSTEM In addition to the labyrinth seals incorporated into the counterweight, an air filter and centrifugal fan driven by a 3 HP (2.2 kw) electric motor is supplied to provide a positive over pressure to the crusher internal space which will make the labyrinth seals even more effective Blower Manufacturer: American Fan Company 14.2 Air Flow: 473 CFM (13.4 m 3 /min) 14.3 Motors: - NEMA Design: 3 HP, 3600 RPM, 60 Hz - IEC Design: 2.2 kw, 3000 RPM, 50 Hz Page 19

20 15.0 TOOLS LIST Page 20

21 16.0 DRIVE The HP800 Cone Crusher can be driven by an 800 HP (600 kw) electric motor through several transmission designs. Normally, a 14-8V crusher sheave, a 14-8V motor sheave, and a set of 8V banded belts is used to couple the electric drive motor to the crusher countershaft. The V- belt drive transmits the power onto the crusher and reduces the motor shaft speed to the crusher countershaft speed. A V-belt drive arrangement using SPC section belts can be provided as an option to the 8V section belts. An alternate direct drive arrangement can be provided if the application warrants the use of a standard motor speed for the countershaft RPM. This requires a larger slower speed motor and eliminates the sheaves and belts. There is no speed adjustment available for direct drive except by use of a variable speed motor drive. Page 21

22 20.0 LUBRICATION SCHEDULE Page 22