Used Drill Grinding Machine for sale (64,682)

Condition: good (used), workpiece weight (max.): 80,000 kg, grinding diameter: 1,580 mm, grinding length: 7,500 mm, Manufacturer: Farrel Type: 60" x 24" Heavy Duty Year of manufacture: 1960 Travelling wheel machine with CROWNING and CONCAVING grinding Equipped with stones / flanches / lubrication / coolant system Maximum diameter full size wheel 1550 mm Work swing over bed 1580 mm Work load 180,000 pounds (81,000 kg) Grinding length 7500 mm Specifications Metric US Standard Center height 930 mm Grinding diameter Ø 1860 mm Grinding length 7500 mm Grinding stone dimensions 1080 x 180 mm Grinding stone speed 400 - 100 rpm Tailstock 260 x 1250 Mk Coolant system Yes filter Yes Dimensions (estimate) length 13200 mm width 4250 mm height 3200 mm weight 80000 kg Please note: The information on this page is given in good faith and to the best of our knowledge, and where possible, has been obtained from the manufacturer, but accuracy cannot be guaranteed. Accordingly, it does not constitute a representation or contract and we recommend that you check all relevant details. Share on download Travelling wheel machine with CROWNING and CONCAVING grinding Equipped with stones / flanges / lubrication / coolant system Maximum diameter full size wheel 1550 mm Work swing over bed 1580 mm Work load 180,000 pounds (81,000 kg) Grinding length 7500 mm Center height: 930mm Grinding diameter Ø: 1860mm Grinding length: 7500mm Grinding stone dimensions: 1080 x 180mm Grinding stone speed:400 - 100Rpm Tailstock: 260 x 1250Mk Coolant system: Yes Filter: Yes Length: 13200mm Width: 4250mm Height: 3200mm Weight: 80000kg Dcsdjr Ikvmepfx Al Noh Aluminum Industry Non-Ferrous Industry Paper Industry Roll Manufactures Steel Industry Plate Mill Hot Rolling Mill Cold Rolling Mill Travelling wheel machine with CROWNING and CONCAVING grinding Equipped with stones / flanches / lubrication / coolant system Maximum diameter full size wheel 1550 mm Work swing over bed 1580 mm Work load 180,000 pounds (81,000 kg) Grinding length 7500 mm Center height: 930inch Grinding diameter Ø: 1860inch Grinding length: 7500inch Grinding stone dimensions:1080 x 180inch Grinding stone speed:400 - 100Rpm Tailstock: 260 x 1250Mk Coolant system: Yes Filter: Yes Length: 519.684inch Width: 167.323inch Height: 125.984inch Weight: 176449.6lbs Aluminum Industry Non-Ferrous Industry Paper Industry Roll Manufactures Steel Industry Plate Mill Hot Rolling Mill Cold Rolling Mill Aluminum Industry Non-Ferrous Industry Paper Industry Roll Manufactures Steel Industry Plate Mill Hot Rolling Mill Cold Rolling Mill

Condition: good (used), Year of construction: 2001, grinding length: 650 mm, grinding width: 525 mm, total height: 350 mm, table length: 600 mm, table width: 350 mm, Manufacturer: Geibel & Hotz Type: FS 635-Z SA Control: Digital read out Year of construction: 2001 Magnetic table 600 x 350 mm Closed housing for CE Automatic vertical lubrication SA Automatic lubrication Coolant tank Specifications Metric US Standard X - axis 650 mm Y - axis 525 mm Z - axis 350 mm Table length 600 mm Table width 350 mm Table load 400 Feed X - axis 35000 mm/min. Feed Z-axis 1000 mm/min. Grinding stone dimensions 300 x 50 x 76.2 mm Power output 3.7 kW Speed 2800 ? rpm Dimensions (estimate) length 3200 mm width 2000 mm height Dcodpjvdal Aofx Al Neh 2870 mm weight 2300 kg Please note: The information on this page has been obtained from the manufacturer to the best of our knowledge and belief, and where possible, the information is given in good faith but accuracy cannot be guaranteed. Accordingly, it does not constitute a representation or contract and we recommend that you check all relevant details.

Condition: good (used), grinding diameter: 1,600 mm, grinding length: 6,000 mm, Manufacturer: CINCINNATI Type: 60 x 216 Year of manufacture: 1970 Covex and Concave grinding 6 steady rest included 2 steady rest hydrostatic Coolant system with magnetic filter Measuring system with 5 arms caliber: Arm 1: Working area 1300 to 1600 mm Arm 2: Working area 1000 to 1300 mm Arm 3: Working area 700 to 1000 mm Arm 4: Working area 400 to 700 mm Specifications Metric US Standard Center height 787 mm Grinding diameter Ø 1574 mm Grinding length 5800 mm Grinding stone dimensions 914 x 101.6 x 304.50 mm Grinding stone speed 1800 rpm Dimensions (estimate) Length 15100 mm Width Dedpfxevvvw Eo Al Noch 5500 mm Height 3550 mm Weight 120000 kg Please note: The information on this page is correct to the best of our knowledge and belief and, where possible, has been obtained from the manufacturer. The information is given in good faith but accuracy cannot be guaranteed. Accordingly, it will not constitute a representation and terms of contract. We recommend that you check all important details.

Condition: good (used), drilling depth: 1,500 mm, feed length X-axis: 2,000 mm, feed length Y-axis: 1,300 mm, feed length Z-axis: 1,500 mm, Manufacturer: TBT deep drilling technology Type: BW 250-S Control: SIEMENS 840D Year of manufacture: 2007 Drilling, Milling, Tapping for heat exchanger bases and plates Swivable A Axis + 25 to - 15 Degrees Filtration and Coolant system 1000 L Cip conveyor 2000 x 1200 height out put Milling tool changer Tower Station 20 positions Capacity ELB Drilling 3 - 35 mm Capacity Milling 250 ccm/Min Feed rates all axis 15,000 mm/Min X-Y-W-Z Cutting hours approx. 15,000 Large tooling package Specifications Metric US Standard Max. Drill Ø steel 40 mm Drilling depth 1500 mm X - axis 2000 mm Y - Axis 1300 mm Z-axis 1500 mm W-axis 750 mm Table load 15000 Table dimensions / L x W or ø 1600 x 1200 mm Spindle mount HSK 63 Mk Spindle power 11 kW Speed 8000 Rpm Dimensions (estimate) Length 7200 mm Width 7800 mm Dcsdpfx Alsv A Uw De Neh Height 4250 mm Weight 23000 kg Please note: The information on this page is believed to be accurate and is provided by us and, where possible, from the manufacturer. The information is provided in good faith but accuracy cannot be guaranteed. Accordingly, it will not constitute a representation or contractual terms. We recommend that you check all important details.

Condition: excellent (used), Deep hole drilling machine tools DEGEN - UTB Dcsdsx Tp Ahopfx Al Noh MACH-ID 9188 Make: DEGEN Type: UTB Year: 2005

Condition: excellent (used), Year of construction: 2018, drilling depth: 1,250 mm, total length: 8,100 mm, total width: 6,300 mm, total height: 4,300 mm, workpiece weight (max.): 7,000 kg, overall weight: 31,000 kg, travel distance X-axis: 1,600 mm, travel distance Y-axis: 1,250 mm, travel distance Z-axis: 1,100 mm, spindle speed (max.): 6,000 rpm, drill diameter: 36 mm, 4 side complete machining Swivel drilling and milling unit DCM Dynamic Collison Monitoring CAM model QCK (Quick Check Kinematics) Transfer bore cycle (380-382) 90 Bar IKZ Coolant system Dcjdpfxovn Sv Ue Al Neh Extra ATC Tower 24 position (4 x 6) HSK 63 Double ballscrew construction Clear tank 1650 L and Waste tank 1300 L Chip conveyor Max. drill Ø steel: 36mm Drilling depth: 1250mm X - Travel: 1600mm Y - Travel: 1250mm Z - Travel: 1100mm W - Travel: 1600mm Table load: 7000 Table size L x W / or ø:1500 x 1100mm Spindle taper: HSK-63Mk Power on spindle: 23kW Speeds/ranges: 6000rpm Length: 8100mm Width: 6300mm Height: 4300mm Weight: 31000kg

Condition: good (used), Year of construction: 2011, Manufacturer: RÖSLER Type: MINI 120 Year of manufacture: 2011 Bowl volume 120 liter Dcodpfjvt Tl Ujx Al Njh Out side diameter 910 mm Width processing channel 210 mm Overal channel length 1950 mm Power 0.75 kW Specifications Metric US Standard There are no specifications (yet) for this machine. Dimensions (estimate) There are no dimensions (yet) for this machine. Please note: The information on this page has been obtained to the best of our knowledge and belief from the manufacturer. The information is given in good faith but accuracy cannot be guaranteed. Accordingly, it will not constitute a representation and contractual terms. We recommend that you check all important details.

Condition: good (used), Year of construction: 2006, feed length X-axis: 1,650 mm, feed length Y-axis: 1,000 mm, Max. drill Ø steel: 5 - 40mm X - Travel: 1650mm Y - Travel: 1000mm W - Travel: 500mm Dcodewyup Tjpfx Al Nsh Table size L x W / or ø:1200 x 1500mm Spindle taper: SK40Mk Speeds / ranges: 4200Rpm Length: 6500mm Width: 3800mm Height: 3400mm Weight: 6500kg

Condition: good (used), Year of construction: 2012, grinding width: 2,000 mm, workpiece weight (max.): 18,000 kg, grinding length: 8,000 mm, Manufacturer: Waldrich Coburg Type: 30-10 S 3640 Control system: SIEMENS 840D Year of construction: 2012 Guideway / Slide way / Surface Grinding Machine Universal grinding head S10 with 110 Degree tilting / 2500 Rpm / 7.5 kW Vertical grinding head S30 with Ø 600 x 150 / 930 Rpm / 22 kW Double SIEMENS 840D Control panel Left & Right side machine KNOLL HL650/4000 Filtration system new 2023 Automatic doors (4x) for easy machine / load / clamping acces Hydraulic table drive with 18000 kg work load Rebuild in 2012 for 1.5 Mil EUR Large package flanches and stones Large package spare parts / ballscrews / measuring / protection covers Specifications Metric US Standard X - axis Dcodpfx Alstp T N Te Noh 8825 mm Y - axis 3010 mm Z - axis 2500 mm Table length 8000 mm Table width 1800 mm Table load 18000 Feed X - axis 1 - 45.000 mm/min. Feed Z-axis 100 - 3000 mm/min. Grinding stone dimensions 600 x 150 mm Power output 22 kW Rotational speed 930 rpm Coolant system Knoll 4000 L Feed Y - axis 1 - 700 mm/min. Dimensions (estimate) length 24360 mm width 9550 mm height 7000 mm weight 80200 kg Please note: The information on this page has been obtained from the manufacturer to the best of our knowledge and belief, and where possible, the information is given in good faith but accuracy cannot be guaranteed. Accordingly, it does not constitute a representation or contract and we recommend that you check all relevant details.

Condition: reconditioned (used), Year of construction: 2003, functionality: fully functional, machine/vehicle number: 055 - 030.0221, Complete overhaul Year 2003 - Fanuc 16i-T Center height 175 mm and distance between centers 650 mm 2 external grinding wheels + B-axis fine adjustment Country of origin: CH Voltage: 3x400V Dimensions: 3680x2165x2100 mm Net machine weight: 5500 kg TECHNICAL SPECIFICATIONS Center height: 175 mm Distance between centers: 650 mm LONGITUDINAL SLIDE (Z) Maximum travel: 800 mm Speed: 0.001 – 10,000 mm/min Resolution: 0.0001 mm TRANSVERSE SLIDE (X) Maximum travel: 254 mm / SPW 650 Speed: 0.001 – 5,000 mm/min Resolution: 0.0001 mm Maximum weight of workpiece clamped between centers: 80 kg TAILSTOCK Taper: Morse 3 Sleeve: Ø 50 mm Sleeve travel: 35 mm UNIVERSAL GRINDING WHEEL HEAD Left wheel dimension: 500 x 80 x 203 mm Right wheel dimension: 400 x 80 x 203 mm Grinding wheel head power: 12.5 kW Rotation speed: 3,200 min-1 Programmable cutting speed up to: 50 m/s B-axis travel: -15 to +195° B-axis indexing accuracy: 0.0001 ° LEFT WORKPIECE HEAD Taper: CM3 Power: 4 kW Rotation speed: 1-1000 min-1 C-axis indexing accuracy: 0.001 ° RIGHT WORKPIECE HEAD Taper: CM3 Power: 4 kW Dcjdpfxozbaz As Al Nsh Rotation speed: 1-1000 min-1 C-axis indexing accuracy: 0.001° Hydraulic feed with pressure control Subject to errors and omissions, the technical specifications are provided without commitment. Inventory No. 2250029: STUDER S31 CNC, S/No. 055 - 030.0221 Completely overhauled: Mechanical, geometry, hydraulics, and electrical components (checked and/or replaced) Grinding wheel head Disassembly, cleaning of parts, replacement of worn and defective parts, overhaul of the motor, replacement of bearings, replacement of belts, spindle disassembly, replacement of seals and O-rings + adjustment. New paint. Workpiece head Disassembly, cleaning of parts, replacement of worn and defective parts, overhaul of the motor, replacement of belts. New spindle bearings. New paint. Tailstock Disassembled, inspected, overhauled Hydraulics Disassembly, motor check, replacement of pipes, defective and worn parts. Check the hydraulic block. X-axis Disassembly, replacement of worn parts such as O-rings, seals, segments, etc., overhaul of the hydraulic piston, re-grinding of the tables. Z-axis Disassembly, re-grinding of the tables, replacement of worn and defective parts, overhaul of the hydraulic piston, new paint. Electrical cabinet Complete check, replacement of various relays. Paint Colors: White RAL 9003 and gray RAL 7011 Geometry according to manufacturer's protocol. Inspection and cleaning of various accessories.

Condition: used, Technical details: grinding length: 300 mm centre height: 175 mm swing diameter: 315 mm table clamping surface LxW: 1.800 x 200 mm control: Heidenhain Longitudinal adjustment of grinding unit on table max.: 1100 mm work piece spindle speed: 3steps/1500-2200 U/min feed continuous: 0,001-1 mm Max. travel x-axis: 300 Dsdozaunzspfx Al Njch weight of the machine ca.: 3,1 t dimension machine xH: 2,9 x 1,6 x 1,4 mm Swivel for right and left machining Automatic table reversal Tailstock: MK3 holder Operation: Manual control unit/foot switch Coolant: System with feed Heidenhain measuring device *

Condition: refurbished (used), Year of construction: 2025, Voumard internal cylindrical grinding machine Center height: 180 mm (optionally more possible) Grinding depth: 200 mm Workpiece weight: 170 kg Further freely selectable options - Completely new control cabinet with SPS-Basic and panel - Conversion to ball screw drive incl. PLC-Pro (cycle-controlled) - "Workpiece memory" SPS-PRO for 10/15/30/50 workpieces Djdpjhpn Sxofx Al Nsch - Mini hand-held operating device for SPS-PRO - Rotary encoder in swivel axis - Glass scale in Z-axis - Frequency converter for internal grinding spindle - Conversion of slide to pneumatic lift-off - Center elevation - CE marking in conjunction with partially or fully encapsulated splash water enclosure - Remote maintenance - Suitable coolant / extraction system - and much more. We can also overhaul your existing storage machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella and much more.

Condition: refurbished (used), Year of construction: 2025, Schaudt PF43 1000/1750 grinding length: 1.000 / 1.750 mm center height: 150 mm Workpiece weight: 200 kg (optionally more possible) Other freely selectable options: - completely new control cabinet with Siemens Sinumerik One or Fanuc 0iTF-Plus control system - Fast set-up via GSN user interface - Diatronic measuring device - B-axis freely positionable - second external grinding wheel - internal grinding unit - center elevation Dedpfxefg Ta Uj Al Nsch - dressing spindle for diamond form roll - balancing and grinding sensor system - Tailstock hydraulic clamping / unclamping - Autom. Siemens door drive - 19" / 22" screen - remote maintenance - conversion to needle nozzles - suitable coolant / exhaust system - automation preparation - and much more We can also overhaul your existing stock machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella uvm.

Condition: refurbished (used), Year of construction: 2025, IMMEDIATELY AVAILABLE Studer S20-2 - Mechanically Reconditioned Grinding length: 400 mm Center height: 100 mm Table adjustment: 30° Bore diameter: 127 mm Grinding wheel dimensions: 350 x 32 mm WSS taper: MT4 (stationary and live center) RST taper: MT2 Quill stroke: 20 mm Workpiece weight: 20 kg Tailstock with manual cylinder error correction Other possible options: - Glass scale in X and Z axes - Internal grinding attachment Dcsdpefg Tbrsfx Al Noh - Grinding wheel flange - LED spotlight with flexible arm - Coolant system - Safety device

Condition: refurbished (used), Year of construction: 2025, Studer S30 Center height: 125 mm center width: 650 mm Dceded Hdxwepfx Al Neh Workpiece weight: 80 kg Other freely selectable options: - Completely new control cabinet with SPS-Basic and panel - Conversion to ball screw incl. SPS-Pro (cycle controlled) - "Workpiece memory"-SPS-PRO for 10/15/30/50 workpieces - Glass scale in X- and Z-axis - Swiveling internal grinding device - Motor spindle for internal grinding device - Frequency converter external grinding spindle - Frequency converter for internal grinding spindle - Grinding sensor system - Contact protection on external grinding spindle - Safety door - manually operated - Grinding wheel flange - LED spot with flex arm - suitable coolant system

Condition: as good as new (ex-display), Year of construction: 2025, Studer S40 1000/1600 grinding length: 1.000/1.600 mm Center height: 175 mm (optionally more possible) Workpiece weight: 120 kg Further freely selectable options: - completely new control cabinet with Siemens Sinumerik One or Fanuc 0iTF-Plus control system - Fast set-up via GSN operator interface - B-axis freely positionable - second external grinding wheel - internal grinding unit - center elevation - Dressing spindle for diamond form roll - balancing and grinding sensor system - Tailstock hydraulic clamping / unclamping - Autom. Siemens door drive Djdofg S Uajpfx Al Nech - 19" / 22" screen - remote maintenance - conversion to needle nozzles - suitable coolant / exhaust system - automation preparation - and much more We can also overhaul your existing stock machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella uvm.

Condition: refurbished (used), Year of construction: 2025, Schaudt PF61 1000 - 4000 grinding length: 1.000 / 2.000 / 3.000 / 4.000 mm Center height: 260 mm Other freely selectable options: - completely new control cabinet with Siemens Sinumerik One or Fanuc 0iTF-Plus control system - fast set-up via GSN user interface - Diatronic measuring device - B-axis freely positionable - second external grinding wheel - internal grinding unit - center elevation - dressing spindle for diamond form roll Dedpfeiqxt Hjx Al Nsch - balancing and grinding sensors - Tailstock hydraulic clamping / unclamping - Autom. Siemens door drive - 19" / 22" screen - remote maintenance - conversion to needle nozzles - suitable coolant / exhaust system - automation preparation - and much more We can also overhaul your existing stock machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella uvm.

Condition: refurbished (used), Year of construction: 2025, Schaudt PF5 UB 1000-2500 mm grinding length: 1.000 / 1.500 / 2.000 / 2.500mm Center height: 180 / 225 mm (optionally more possible) Workpiece weight: 350 / 500 / 800 kg (optionally more possible) Other freely selectable options: - completely new control cabinet with Siemens Sinumerik One or Fanuc 0iTF-Plus control system - Fast set-up via GSN user interface - Diatronic measuring device - B-axis freely positionable - second external grinding wheel - internal grinding unit - center elevation - dressing spindle for diamond form roll - balancing and grinding sensor system - Tailstock hydraulic clamping / unclamping - Autom. Siemens door drive - 19" / 22" screen - remote maintenance - conversion to needle nozzles Dodpsfg Tazjfx Al Njch - suitable coolant / exhaust system - automation preparation - and much more We can also overhaul your existing stock machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella uvm.

Condition: refurbished (used), Year of construction: 2025, Schaudt PS51 S600 - Premium overhauled - Sanding length: 600 mm - Center height: 180 mm - Grinding wheel width: 220 mm (optionally more possible) - Workpiece weight: 200 kg Further freely selectable options: - Completely new control cabinet with Siemens Sinumerik One or Fanuc 0iTF-Plus - Quick set-up via GSN user interface - In process measuring control DMK / LMK - Dressing spindle for diamond form roll - Balancing and grinding sensors - Hydraulic clamping/unclamping of tailstock Dodpfx Aefg Utdol Nsch - Autom. Siemens door drive - Remote maintenance - Conversion to needle nozzles - Suitable coolant / extraction system - Automation preparation - and much more. We can also overhaul your existing storage machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella and much more.

Condition: refurbished (used), Year of construction: 2025, Schaudt A500 500-2500 grinding length: 500 / 750 / 1.000 / 1.500 / 2.000 / 2.500 mm Djdpfxjd Hfd Ne Al Nsch center height: 150 mm / 180 mm / 225mm Workpiece weight: 300 kg / 500 kg Other freely selectable options: - Completely new control cabinet with SPS-Basic and panel - Conversion to ball screw incl. DUO-Control (cycle controlled) - "Workpiece memory" for 10/15/30/50 workpieces - Mini operating handset for Duo-Control - Glass scale in X- and Z-axis - Grinding sensor system - Frequency converter external grinding spindle - Swing-in internal grinding unit - Frequency converter internal grinding spindle - CE marking in connection with partial or full enclosure for splash water - remote maintenance - suitable coolant / exhaust system - grinding wheel flange / exchange arm - and much more We can also overhaul your existing bearing machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella uvm.

Condition: refurbished (used), Year of construction: 2025, Schaudt ZX11 grinding length: 600 mm Center height: 180 (optionally more possible) Workpiece weight: 80 kg Other freely selectable options: - completely new control cabinet with Siemens Sinumerik One or Fanuc 0iTF-Plus control system - Fast set-up via GSN operator interface - Dressing spindle for diamond form roll - Balancing and grinding sensors - Hydraulic clamping / unclamping of tailstock - Autom. Siemens door drive - 19" / 22" screen Dodpfxod Hfqrj Al Nech - remote maintenance - conversion to needle nozzles - suitable coolant / exhaust system - automation preparation - and much more We can also overhaul your existing stock machine! Schaudt / Studer / Kellenberger / Bahmüller / Voumard / Overbeck / Fortuna / Tacchella uvm.

Condition: used, Model: CW Serial No: 26520 Dcjdpsyx Hx Dofx Al Njh Capacities: Maximum Swing Over Bed: 430mm Maximum Distance Between Centres: 2500mm Wheel Dimensions: 660x 75mm Work Head Speeds: (3) 20 – 160rpmrpm Wheel Head Speeds: 735rpm Table Swivels: Electrics: 415v, 3ph, 50 Cycles Motors Wheel Head: 20 HP 975rpm Work Head: 3HP 1120rpm Complete With: 2 No 2 Point Open Steadies Complete Tailstock Mounted Wheel Dressing Attachment Coolant Approximate Dimensions: 6,750 x 2000 x 1800mm Approximate Weight: 9,000kg

Condition: used, Working width 720 mm hollow max. 820 mm bore depth horizontal 120 mm Dcjdpfx Alslfcn Ee Neh boring depth: vertikal 45 mm

Condition: used, Number of boring spindles 1 St. Motor output 1,1 kW Dedslfcnwjpfx Al Noch Workpiece thickness ca. 100 mm Working width 650 mm Foot-operated drill machine Scheer type BM340

Condition: new, weight 720 kg diameter 1360 mm height 1200 mm 0 520 l Vibratory Surface Finishing Machines With Separator VKUE series machines can be used for surface finishing of metal and nonmetal work pieces. This type of machine has a large sieve surface and allows easy separation of the workpieces from the grinding stones. Optional Accesories - Pneumatic Sound Lid - Pneumatic Flap Control - Frequency Control Dcedpfx Aoy Suu Tsl Nsh - Dossage Pump - Magnetic Valve - Control Panel Base - Rinsing Pipe (Different Types) The pictures are for orientation only. The optional accessories can be purchased for an additional charge.