Used Cormak Automatic Column Band Saw for sale (31,321)

Condition: excellent (used), Year of construction: 2023, functionality: fully functional, Used semi-automatic swivelling frame band saw, KASTOmicut U2.6, MFG: 2023, serial number: 6153102136, excellent condition, very little used, it will be delivered with the two rollers from the pictures. Universal, semi-automatic band sawing machine of very robust construction, designed for the rough use in workshops and capable to perform any cutting-to-length or miter cutting tasks (-45°/+60°) in the case of tubes, profiles and solid material. The infinitely adjustable cutting speed and the infinitely adjustable fully hydraulic cutting feed allow a sensitive and blade-saving cutting. Technical Data Cutting range 90° round: 260 mm Cutting range 90° flat (W x H): 310 x 260 mm Dimensions (L x W): 760 x 1620 mm Height, saw head lowered position: 1690 mm Height, saw head in highest position: 2040 mm Material support height: 950 mm Total weight: 510 kg Performance characteristics Total power: 2.0 kW Saw motor, power – frequency controlled: 1.5 kW Cutting speed infinitely variable – frequency controlled min 20 – 110 m/min Dimensions of saw blade: 3180 x 27 x 0.9 mm Saw blade guides: lateral guiding rollers and back slide bearings, interchangeable Material clamping: mechanical Cutting feed: hydraulic, infinitely variable Saw blade tension: mechanical Saw blade cleaning: by synchronously running, easy to interchange brush Electrical equipment: in accordance with DIN EN 60204. Supply voltage 440 Volt, 60 Hz. Control voltage 24 Volt, DC. Upon request other voltages at additional cost. Working Cycle (Semi-Automatic) Infinitely variable and fully hydraulic saw feed control Nwedpfxovyl Ihj Aarek Rotary table serving as material support Horizontal vice with quick adjustment and hydraulic short stroke Infinitely variable cutting speed 20 – 110 m/min via frequency regulated drive Coolant system with two coolant nozzles Automatic switch-off after end of cut and return stroke of the saw head by approx. 100 mm Infinitely variable mitre adjustment (-45° to + 60°) Infinitely variable saw blade arm adjustment Electrical protection of the saw blade covers (accident prevention rules) Synchronously running chip removal brush Glue anchors to dowel the machine Bi-metal saw blade, 4 - 6 teeth per inch Operating instructions manual according to the EU Machinery Directive and EN 82079 Price: 16.456 Euro + VAT, negotiable , FCA Oradea/Romania Irrtum, Anderungen und Zwischenverkauf vorbehalten / Subject to errors, changes and prior sale / Ne rezervăm dreptul la greșeli, modificări și vânzare prealabila. We speak English. /Wir sprechen Deutsch./ Beszélünk magyarul. /Nous parlons français/Vorbim romana

Condition: new, Year of construction: 2025, power: 11 kW (14.96 HP), cutting height (max.): 1,500 mm, cutting width (max.): 2,500 mm, warranty duration: 12 months, STANDARD FEATURES - INDEPENDENTLY MOVABLE DOUBLE HYDRAULIC VICE - LINEAR FAST DOWN SYSTEM - VARIABLE RIBBON SPEED CONTROL - VARIABLE HEAD DOWN SPEED CONTROL - HYDRAULIC RIBBON TENSION SYSTEM - TABLE DRIVE SYSTEM - SAFETY SWITCHES - CHIP CONVEYOR - MOTORIZED CHIP BRUSH - 1 BAND SAW BLADE - 24 MONTHS MECHANICAL 12 MONTHS ELECTRICAL WARRANTY - COUNTRY OF ORIGIN TURKEY TECHNICAL SPECIFICATIONS CAPACITY ROUND (MM) 1500 CAPACITY SQUARE (MM) 1500X1500 CAPACITY RECTANGULAR (MM) 1500X2500 SAW SIZE (MM) 80X1.6X15650 SAW SPEED (M/MIN) 20 – 80 MAIN MOTOR (KW) 11 HYDRAULIC MOTOR (KW) 2.2 ABSORBENT PUMP (KW) 0.09 VOLTAGE (V) 380 FREQUENCY (HZ) 50 WORKING HEIGHT (MM) 600 MACHINE DIMENSIONS (MM) 7500X2150X3440 WEIGHT (KG) 21000 WE PRODUCE ANGLED AND STRAIGHT CUTTING MODELS UP TO 220MM – 3000MM Nwodpfjvvcpzsx Aarok MORE CONTACT US FOR MORE INFORMATION

Condition: new, Year of construction: 2025, power: 7.5 kW (10.20 HP), cutting height (max.): 700 mm, cutting width (max.): 1,100 mm, cutting speed: 80 mm/min, warranty duration: 24 months, PLACE OF PRODUCTION: TURKEY WARRANTY PERIOD: 24 MONTHS MECHANICAL - 12 MONTHS ELECTRICAL ROUND MAXIMUM DIAMETER: 700MM RECTANGULAR MAXIMUM DIAMETER: 700X1100MM SQUARE MAXIMUM DIAMETER: 700X700MM STANDARD MOTOR DRIVEN TABLE COLUMN TYPE SEMI-AUTOMATIC VARIABLE SPEED CONTROL PRECISION HEAD LANDING SYSTEM Nsdsvzh Duopfx Aarswk ASK FOR A QUOTE FOR MORE DETAILS.

Condition: good (used), Year of construction: 2000, machine/vehicle number: 6535, Offer 25230 Hydraulic Twin-Column Guided Bandsaw Machine Technical Specifications: - Automatic operating cycle for the cutting process, hydraulic lifting/lowering of the saw frame - Manual mitre adjustment with hydraulic clamping - Automatic material feed unit, motorized mitre adjustment - Saw blade dimensions: 4400 x 34 x 1.1 mm - Infinitely variable cutting speed: 15 – 150 m/min - Infinitely adjustable cutting pressure: 10 – 15 bar Nedpfx Aajw I Scforowk - Feed rate: 0 – 300 mm/min - Cutting range at 90° – Max round: 335 mm – Max square/flat: 500 x 335 mm - Automatic material feed: 5 – 2300 mm - Drive: 400 V / 6.5 kW - Space requirement (approx.): W 2400 x H 1950 x D 2200 mm - Weight (approx.): 1800 kg

Condition: used, Industrial Twin-Column Band Saw with Roller Conveyor System, KALTENBACH KBS 920 DG, Used machine Manufacturer: KALTENBACH GmbH + Co. KG (Lörrach, Germany) – Market leader in premium steel processing machinery Type: KBS 920 DG Year of manufacture: 2002 (The machine's software has been updated, and compared to its age, it has been retrofitted with a newer PLC and conveyor control system) Condition: Used, in excellent technical condition, fully operational complete sawing line Overall dimensions: (According to the complete conveyor and machine layout) Technical and operating parameters: Cutting capacity at 90° (Width x Height): Max. 920 x 500 mm (ideal for large HEA, HEB, IPE beams) Cutting capacity at 60°: 820 x 500 mm Cutting capacity at 45°: 670 x 500 mm Mitre cutting range: Infinitely adjustable in both directions (NC-controlled angle setting) Saw band dimensions: 7290 x 41 x 1.3 mm Band speed: Infinitely variable (frequency-controlled) Saw frame feed: Hydraulically controlled, infinitely variable adjustment Material clamping: Horizontal and vertical hydraulic vice system ensuring vibration-free clamping during cutting Control system: Modernized, upgraded software program and PLC control system relative to its age Nsdpfx Aaszl Ugaerowk Integrated Material Handling Roller Conveyor System: Infeed roller conveyor: 28 meters long, automatic feeding into the saw, with full longitudinal and transverse movement (equipped with lateral chain/roller cross-transfer units for loading raw materials) Outfeed roller conveyor: 19 meters long, automatic discharge of cut finished products, with full longitudinal and transverse movement for lateral buffering and sorting of finished parts

Condition: new, Year of construction: 2025, functionality: fully functional, The ASM 6-30 is a high-speed tooth setter for band saw blades, making it perfect for companies that use different volumes of bandsaw / sawmill blades per day. The machine is very user-friendly and easy to set up, making it the ideal solution for a wide variety of customers with different experiences in the industry. Voltage - 220V Frequency - 50Hz Njdpfxoxivgce Aarowk Power - 220V Secondary voltage - 24V Blade width - 15mm-60mm Tooth pitch - 6-30mm Accuracy - +- 0.04mm Blade thickness - 1.2mm Possible types of tooth set - left, right,straight/right,left,straight The machine is very user-friendly and easy toset up, making it the ideal solution for a wide variety of customers withdifferent experiences in the industry. Achieving precise tooth setting isessential for straight cutting and extended blade life, and our advancedclamping system delivers an impressive accuracy of 0.04mm. Capable of setting80-120 teeth per minute, the ASM 6-30 enhances your company's efficiency andensures a smooth workflow.

Year of construction: 1998, condition: excellent (used), Kap Saw Reinchardt NC 700 automatic Manufacturer Reinchardt Model / machine type NC 700 Year of production 1998 Machine category Kapła Kapowa Location Gorzów Wlkp. Conditions of delivery OWN RECEIPT Cost of delivery Customer cover Start type to be agreed Description Comments Nwsdjd H Hmhopfx Aarsk CUTTING SAW FOR CUSTOMIZED DIMENSIONS, ACCURACY UP TO 1MM, NEW CONTROLLER, SAW BLADDER BY HYDRAULIC AGREEMENT

Condition: used, Twin vertical band saw with log lengthener. Suitable for widths from 70mm to 200mm. Log length from 50cm up to 3.7 meters. Nwodpfx Asyh Hc Roarek

Condition: new, Year of construction: 2026, 540×250 Surface Grinder (MYS1022) is a compact machine designed for precision grinding of small and medium-sized metal components. Its robust construction and advanced technologies ensure high machining accuracy and reliable operation in demanding industrial environments. Main advantages of the 540×250 (MYS1022) surface grinder The 540×250 (MYS1022) magnetic surface grinder is an ideal solution for industrial facilities requiring precise machining in a compact format. Designed for professional users, it combines advanced technologies such as hydraulic feed in two axes and precision guideways with a solid construction, ensuring reliability and high machining efficiency. Its compact dimensions and high accuracy make it an excellent choice for smaller workshops and production facilities where space is limited. Key benefits include: High grinding precision – maximum grinding area of 540 × 240 mm and transverse feed accuracy of 0.02 mm ensure excellent surface finishing quality. Compact construction – dimensions of 1800 × 1400 × 1800 mm and a weight of 900 kg allow easy installation in smaller production facilities. Smooth hydraulic feed system – two-axis feed system enables precise movements with transverse speed up to 600 mm/min, ensuring efficient machining. Stability and durability – robust construction with double guideways minimizes vibrations, guaranteeing stable operation during intensive use. Easy maintenance – centralized guideway lubrication reduces manual maintenance requirements and increases machine availability. Ready for operation – the machine is fully equipped for immediate production, minimizing setup and downtime. Machine design and technology Robust construction and precision components Nedpfx Ajkkcm Usarjwk The MYS1022 surface grinder features a heavy-duty construction weighing approximately 1000 kg, providing excellent stability during machining operations. Hardened and ground linear guideways eliminate vibrations, ensuring smooth table movement and high-quality surface finishes. The spindle, driven by a 1.5 kW motor, operates with a grinding wheel measuring 200 × 20 × 32 mm, enabling efficient processing of various metal materials. Technical specifications Parameter Value Table dimensions 500 × 250 mm Longitudinal / transverse travel 560 × 260 mm Maximum grinding area 540 × 240 mm Maximum distance from table to spindle centerline 490 mm Table guideways Double guideway Transverse movement per vernier scale division 0.02 mm Transverse movement per handwheel revolution 2.5 mm Vertical movement per vernier scale division 0.01 mm Manual vertical movement per handwheel revolution 1.25 mm Grinding wheel dimensions 200 × 20 × 32 mm Grinding wheel speed 2850 rpm Main motor power 1.5 kW Hydraulic oil tank capacity 80 L Hydraulic pump motor power 1.5 kW Coolant pump motor power 40 W Machine dimensions 1800 × 1400 × 1800 mm Weight 1000 kg Standard equipment Magnetic table Grinding wheel Grinding wheel holder Cooling system Chip separator with magnetic filter Halogen lighting system Technical documentation (DTR) CE declaration

Condition: used, Year of construction: 2000, machine/vehicle number: 300584, power: 7.5 kW (10.20 HP), cutting height (max.): 360 mm, cutting width (max.): 400 mm, Equipment: CE marking, documentation/manual, High-performance, heavy-duty automatic horizontal bandsaw from premium German manufacturer Behringer. Designed for precise and cost-effective cutting of solids, tubes, and profiles. Key Features: Stable Dual-Column Design: Twin-pillar construction guarantees vibration-free operation, geometric accuracy, and maximum blade life. Fully Automatic Operation: Equipped with a hydraulic material feed system and automated clamping vices for mass production cycles. Behringer NC Control: Original digital operator panel for easy programming of cutting lengths and batch sizes. Nodpfx Aozbg E Iearswk Condition: The machine is in fully operational condition, regularly maintained, and currently located in an active production workshop environment. CE certified.

Condition: used, machine/vehicle number: 007569, Max. panel width: 2200 mm Max. panel length: 4500 mm Main saw blade projection: 152 mm Nsdjvrrldopfx Aarowk No of Grippers: 11 Thin sheet loading: yes

Condition: used, machine/vehicle number: 008567, Max. panel width: 3800 mm Njdpjzvwi Eofx Aarswk Max. panel length: 3800 mm Main saw blade projection: 75 mm No of Grippers: 6

Condition: good (used), Year of construction: 2006, functionality: fully functional, STENNER MHS9 MK2 HORIZONTAL RE SAW LINE. This complete 9 head line comes with 12 metre infeed and 8 metre outfeed. Tilting heads which are ideal for Feather Edge board production 915MM diameter wheels Max width blade 100MM Saw speed 35M/S Max width timber 305/450MM Max height 305MM Main motors 9x 18.5KW Variable feed speed 15-60M/MIN Operator control station Also if required we have a Systems TM rotary auto stacker which is avaliable at extra cost All nine heads have new upgraded power feed wheels with sprockets, chain tension rollers and alloy blade guides for improved faster production. All guards have new sawdust exhaust outlets for added fire protection. Comes with 80% of orginal dust extraction trunking and operator cross over steps. All additions/improvements costing over 20k GBP. Comes with blades. It does not come with the cross transfer deck shown in video Production of 1.8m long Feather Edge boards is circa 36 m3 sawn per hr. Njdpfozwh Hwjx Aarswk This is a serious piece of equipment for large volume production and it is uncommon for a such machinery to come onto the market for sale. To be collected by customer from site Northamptonshire UK. Crane lorry essential Offers in excess of £125.000 GBP

Condition: excellent (used), Karmetal OSA 300 x 370 PLC Controlled Fully Automatic Bandsaw Balde Speeds Variable 25 – 90m/min (Invereter) Round Section 300mm Rectangle Section 280 x 370mm Sqaure Section 280mm For sale with *Jet Machinery Ltd* Jet Machinery Stock No: #270341 Machine Serial Number: 21482 Cost: £14,950.00 + VAT Njdpfx Aaszuxugorjwk Whilst every effort has been made to ensure that the above information is accurate it is not guaranteed. We advise prospective purchasers to check any vital details. Health and Safety At Work Act 1974: It is not reasonably practical for ourselves as suppliers to ensure that for your application the goods comply with requirements of the Act with respect to guarding etc. Prospective purchasers should ensure that a guarding specialist inspect the goods prior to use.

Condition: used, Year of construction: 2013, Used semi-automatic band saw from FMB Type: Omega Capacity: 240 mm Double miter cut capability Year of manufacture: 2013 Nwodjzvyqrepfx Aarjk Includes roller conveyor

Condition: good (used), Year of construction: 2010, Used semi-automatic band saw from Bomar Type STG 440 DGH Nedpfxezvyizs Aarewk Capacity at 90 degrees: ø 440 mm / flat: 610 x 440 mm Mitre cutting on two sides Includes a 6-meter infeed and outfeed conveyor with an analog measuring system (not shown in the picture).

Condition: good (used), Used band saw from Bewo Model MOD 250 Capacity 200 x 250 mm Nwjdpezvyf Asfx Aarsk Manually operated

Condition: good (used), Year of construction: 2016, cutting diameter 300 mm capacity 90 degrees: flat 320 x 290 mm capacity 45 degrees: flat re 300 x 280 mm capacity 45 degrees: round re 300 mm capacity 60 degrees: flat re 190 x 200 mm capacity 60 degrees: round re 200 mm capacity 45 degrees: flat li 270 x 200 mm capacity 45 degrees: round li 270 mm turning speed range: 20 - 100 m/min saw band length 3660 x 27 x 0.9 mm power capacity 2.4 kW weight of the machine ca. 650 kg range L-W-H 2050 x 1170 x 1600 mm Current list price: approx. 15.000 euros Special price available upon request Nodpfxszv Ul Ds Aarswk Features: - Semi-automatic electro-hydraulic band saw (INDUSTRIE) - Suitable for single-piece and small-batch production - Large, ball-bearing-mounted cast-iron turntable * For miter cuts from 45° left to 60° right - Hydraulic feed mechanism Material clamping - Ergonomic control panelâ??front right, swiveling - Coolant system - Operatoration manual * Semi-automatic work cycle: After the cycle starts, the vise closes automatically, the saw frame lowers for the cut and automatically raises back to the predefined starting position once the cut is complete. Afterward, the vise opens.

Condition: good (used), Year of construction: 2011, cutting diameter 290 mm capacity 90 degrees: flat 320 x 290 mm capacity 45 degrees: flat re 240 x 150 mm capacity 45 degrees: round re 240 mm capacity 60 degrees: flat re 150 x 180 mm capacity 60 degrees: round re 150 mm capacity 45 degrees: flat li 240 x 100 mm capacity 45 degrees: round li 240 mm turning speed range: 20 - 100 m/min saw band length 3100 x 27 x 0.9 mm power capacity 2.4 kW weight of the machine ca. 570 kg range L-W-H 1800 x 950 x 1550 mm Current list price: approx. 12.000 euros Special price upon request Features: - Semi-automatic electro-hydraulic band saw (INDUSTRIE) - Suitable for single-piece and small-batch production - Large, ball-bearing-mounted cast-iron rotary table * For miter cuts from 45° left to 60° right - Hydraulic cutting feed Material clamping - Continuously variable band speed (Model "F") - Ergonomic control panel - Micro-spray lubrication system (spray oiler) - 2x PEGAS roller conveyor - Operating instructions in German * Semi-automatic work cycle: After the cycle starts, the vise closes automatically; the saw frame lowers for the cut and automatically raises Nodpjzv Ulwjfx Aarowk back to the predefined starting position once the cut is complete. Afterward, the vise opens.

Condition: good (used), machine/vehicle number: Stenner Resaw Bandrack, functionality: fully functional, total height: 2,350 mm, total length: 5,410 mm, total width: 1,700 mm, table height: 1,100 mm, Equipment: motor brake, Good working condition and ready to use. Nwodpfx Aezrpausarek Solid, reliable machine ideal for sawmill. Please get in touch via my mobile, if you require any further information or would like to arrange a viewing. Can be seen working or please view it on the YouTube Link

Condition: good (used), Year of construction: 2008, The Striebig Control 6216 (year of manufacture 2008) is a premium-class vertical panel dividing saw with a cutting area of approximately 5300 x 2160 mm, designed for the precise cutting of wood, plastics, and aluminum composite panels. Technical features: Nwodpfx Aaezpbcvorjk Cutting area: approximately 5300 mm in length 2160 mm in height Control: fully electronic positioning and touchscreen operation for serial cuts. Cutting depth: up to 80 mm. Application: optimized for fully automatic workflows and high repeatability. Location: arriving in week 33 at warehouse 54634 Bitburg.

Condition: used, Year of construction: 2025, cutting diameter Ø 255 mm capacity 90 degrees: square 230 mm capacity 90 degrees: flat 300 x 180 mm Njdpfxozv Uldo Aarowk dimensions of saw-band 2765 x 27 x 0,9 mm capacity 45 degrees: round 210 mm capacity 45 degrees: square 190 mm capacity 45 degrees: flat 200 x 160 mm capacity 60 degrees: round 135 mm capacity 60 degrees: square 110 mm capacity 60 degrees: flat 130 x 100 mm cutting speed 18- 110 m/min power requirement 1,5/ 1,8 kW dimensions 1,7 x 1,95 x 1,83 m weight of the machine ca. 0,8 t full automatic one side miter bandsaw NC- controlled - miter cut left 45° full automatic mode - miter cut left 60 half automatic mode - CNC- controll for 10 saw programms and 99 subroutine - automatic lenght movement with ballscrew - roller conveyor feed side - stepless cutting speed

Condition: used, Year of construction: 2019, cutting diameter 250 mm capacity 90 degrees: flat 280 x 220 mm capacity 90 degrees: square 220 x 220 mm capacity 45 degrees: flat 220 x 200 mm capacity 45 degrees: round 230 mm capacity 45 degrees: square 200 x 200 mm capacity 60 degrees: flat 140 x 100 mm capacity 60 degrees: square 100 x 100 mm capacity 60 degrees: round 150 mm vice 285 mm turning speed range: 36/72 m/min dimensions of saw-band 2950x27x0,9 mm total power requirement 1,5 / 1,8 kW weight of the machine ca. 460 kg dimensions of the machine ca. 1150 x 1970 mm Features: - Robust electro-hydraulic semi-automatic band saw (INDUSTRIE) - With miter cuts from 45° right to 60° left * Mitre adjustment via a large turntable - MEP EVO microprocessor control for managing all functions * Front right, swiveling - Optional manual or automatic lowering of the saw frame * Stepless adjustment of the saw frame lowering - Saw blade guide made of carbide plates - Hydraulic saw blade tensioningâ??includes digital display Nsdpfx Aaozvhkmerowk - 2 saw blade speeds - Coolant system - 1 angle stop - Chip removal brush - Machine base frame with forklift pockets - Operating instructions in German - Replacement saw bands Semi-automatic operation: - Electro-hydraulic clamping of the vise - Electro-hydraulic lowering of the saw frame - Electro-hydraulic lifting of the saw frame - Electro-hydraulic opening of the vise *Optional equipment: - 2000 mm feed roller conveyor - 2000 mm discharge roller conveyor, including stop

Condition: used, Year of construction: 2014, cutting diameter 305 mm saw band length 3370 mm cutting width 350 mm dimensions of saw-band 3370 x 27 x 0,9 mm 305 mm 260 mm 350 x 200 mm 250 mm 230 mm 230 x 200 mm 175 mm 155 mm 170 x 100 mm total power requirement 1,5 / 1,8 kW weight of the machine ca. 600 kg dimensions of the machine ca. 1700 x 1500 x 1950 mm Features: Nwjdpezu A R Eefx Aarek - Semi-automatic operation via automatic saw frame lowering - Miters: left 60°, right 45° - 2 speeds: 40 and 80 m/min - Solid material support table - Operatorâ??s manual

Condition: used, Year of construction: 2024, functionality: fully functional, Year of manufacture: 2024 Cutting ranges: Cutting range 90° round 360 mm Cutting range 90° flat (W x H) 360 x 360 mm Clamping range 0 - 360 mm Smallest section length 10 mm Smallest dimension to be cut 10 x 10 mm Shortest remaining piece length in automatic operation (only possible with geometrically flawless surfaces) 35 mm Shortest remaining piece length in single cut 10 mm Dimensions and weights: Overall dimensions (L x W) 1,650 x 2,900 mm Height 2,030 mm Material support height 700 mm Weight 3,450 kg Performance characteristics: Saw motor, frequency-controlled 4 kW Total connected load 6 kW Single material feed length 500 mm Multiple feed length 9,999 mm Machine roller track, length 1,100 mm Ball-bearing mounted, robust transport rollers 8 pieces Roller diameter 60 mm Roller axle spacing 135 mm Nwedpozv Th Djfx Aarok Cutting speed, continuously variable 12 - 150 m/min Saw blade dimensions 6,096 x 34 x 1.1 mm Alternatively 6,096 x 41 x 1.3 mm Cutting feed: electrically adjustable via ball screw Material feed: ball screw Material clamping: hydraulic Saw blade cleaning: self-adjusting chip removal brush, electrically driven Coolant: Pump capacity 75 l/min at 2 m head, Coolant tank volume approx. 100 l Paint finish: Light grey RAL 7035, anthracite grey RAL 7016 textured paint Compressed air connection: approx. 6 bar required (customer-side) KASTO sawing machine control ProControl 9" Hardware  Industrial PC, fanless, no moving parts  Robust metal housing, aluminum front panel  Resistive touchscreen  Color TFT display 9"  Ambient temperature 0 - 50 °C  Protection class, front: IP65 Software  Operating system Windows 10 Enterprise LTSC 2019  SIMATIC S7 - 1500 Failsafe Software Controller CPU