Used Werko Milling Holder Sk50 for sale (15,327)

Year of construction: 2001, condition: excellent (used), JAROMA DFOA II MILLING MACHINES Producer JAROMA Machine model / type DFOA II Year of production 2001 Category of machines. MILLING MACHINES Cjdpfx Aoh S Uhfoi Serh Location Gorzów Wlkp. Conditions of delivery PERSONAL COLLECTION Cost of delivery Customer cover Startup type to be agreed Description Remarks JAROMA DFOA edge milling machine In stock - Polish production - Year of production 2001 - unpainted The DFOA-II milling machine is designed to mill the excess veneer to the thickness of the rectilinear or curvilinear element. The veneered side must be perpendicular to the surface, it can also be at an angle of 0-45o or rounded with a radius of R 15-20.

Condition: used, Year of construction: 2017, machine/vehicle number: IntNr231674, A high-quality, 3-axis precision machining center, the MIKRON MILL P 900 from GF Machining Solutions, built in 2017, is for sale. TECHNICAL DATA General Data Manufacturer: MIKRON / GF Machining Solutions Model: MILL P 900 Machine type: Vertical 3-axis precision machining center Year of manufacture: 2017 Number of axes: 3 Spindle operating hours: approx. 1,530 hours CNC control: FANUC 31i-B TECHNICAL DATA Travel X: 900 mm Travel Y: 600 mm Travel Z: 450 mm Rapid traverse X/Y/Z: 30 m/min Clamping area: approx. 1,000 × 600 mm Max. table load: 1,000 kg Codoz Ipnnepfx Ai Serh Max. spindle speed: 20,000 rpm Tool holder: HSK-A63 Spindle power: up to approx. 36 kW Torque: up to approx. 120 Nm Tool changer: 30-position Tool holder: HSK-A63 Machine concept: 3-axis gantry machining center The machine can be inspected on site by appointment. Subject to change, errors and prior sale!

Condition: used, No. 04554 Granulator / cutting mill Alpine RO 40/63 Used Robust granulator / cutting mill for the size reduction of plastics, blown film and cables Motor power 22 kW Rotor width 630 mm Rotor diameter 400 mm Rotor knives: 5 rows with 3 knives each Stator knives: 1 row at the front and 2 rows at the rear, with 3 knives per row Maximum permissible speed of the drive shafts 560 rpm 2 inspection openings Screen hole diameter approx. 12 mm Feed opening approx. 630 x 300 mm LW Feed hopper dimensions approx. 850 x 600 mm LW The hinged screen holder allows easy screen changes and facilitates access for cleaning the machine and replacing the knives. Ideal for recycling applications (blown film, cables, plastics, etc.) and food processing (tea, spices, dried vegetables, etc.). Machine ready to plug in, incl. power cable and 63 A plug Codpfx Ajz Iav Aei Ssrh Transport dimensions machine approx. 1600 x 1500 x 1800 mm LWH, hopper approx. 1400 x 1200 x 800 mm LWH Weight approx. 2500 kg To avoid possible misunderstandings, an on-site inspection by appointment is possible and recommended Sold as is Technical specifications, condition description, year of construction and scope of delivery according to manufacturer’s brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Payment terms: Prices plus VAT, payment before collection or shipment Delivery terms: ex warehouse

Condition: used, HSK 80A type tool holders together with cabinet 94 pieces, different types as per photos Credszza E Hspfx Ai Sjh

Condition: excellent (used), Year of construction: 2019, operating hours: 7,000 h, functionality: fully functional, MACHINE CONSTRUCTION: - Cast iron bed, spindle head, and saddle system developed through computer-aided design and analysis (CAD/CAE), ensuring high rigidity and vibration damping - Fully supported table guide in every working position - X-axis (table movement) on 2 precision cylindrical roller guides, supported by 6 runner blocks each - Y-axis with 2 precision cylindrical roller guides - Z-axis with hardened and ground guideways, with TURCITE-B coating - Guideway protection via metal telescopic covers - Hydraulic counterweight / balance system - CE conformity Axes: - Preloaded ballscrews with large pitch for long-lasting precision - Digitally controlled, liquid-cooled ballscrew on the X-axis - Gear-driven ballscrews, ballscrew nuts with centralized lubrication, and lifetime-lubricated bearings CONTROLLER & ELECTRONICS + CAPACITY: - High-speed CNC, 1 ms block processing time - Storage capacity: 120 GB SSD - Technology program memory: 100 GB SSD - Number of processor cores: 4 CNC operating system: - User interface operating system: Windows 10 - Technology program storage: WINDOWS file system - Total storage capacity (system program, PLC, parameters, technology program memory) on a single SSD - New user interface (40-00005216-00w) SCREEN: Color graphical LCD touchscreen COMMUNICATION: USB, Ethernet, EtherCAT MEASURING SYSTEM: - HEIDENHAIN absolute EnDat 2.2 Cjdpfx Aiezzf Rue Ssrh - PROGRAMMING: ISO, myNCT TECHNICAL DATA: - X-travel: 2100 mm - Y-travel: 1500 mm - Z-travel: 1000 mm Distance from spindle nose to table surface: 200~1000 mm Distance between columns: 1650 mm Distance between table and gantry/crossrail: 1710 mm AXES: - Rapid traverse speed X / Y / Z axis: 20 / 20 / 15 m/min - Max. working speed: 10 m/min - Motor power: 4 kW ACCURACY (according to JIS6338): - Positioning accuracy: +/- 0.01 mm (In the entire working area!) - Repeatability: +/- 0.004 mm TOOLING: - Max. tool diameter / with adjacent tool omitted: 125 / 215 mm - Max. tool length: 400 mm - Max. tool weight: 20 kg - Optional tool taper: SK50 Accessories & Equipment: - Angle head (manual) - Chip conveyor - Coolant flush gun - 15 pcs of SK50 tool holders - Machine leveling feet - Manuals The machine is in good used condition and operates accurately.

Condition: like new (used), - made in Germany - new knives and counter-knives TECHNICAL PARAMETERS: - feeding dimension 520x1000 mm - motor power 80 kW - four rows of knives - counter knife - sieve 20 x 20 mm - sieve dimension 1000 x 900 mm - rotor diameter 600 mm - rotation of shaft 830 rpm Overall dimensions of the machine 235x170x290 cm Codpfxeqy Ek Ho Ai Ssrh weight ~ 4000 kg

Condition: good (used), Year of construction: 1998, x-travel 1650 mm y-travel 1950 mm Credpsz Dxr Uofx Ai Ssh z-travel 700 mm Control FIDIA M20 spindle taper HSK 63 A spindle turning speed range 16000 U/min milling spindle drive 28 kW head swivability +- 100 ° c-axis 365 ° weight of the machine ca. 27 t dimensions of the machine ca. 4,2 x 4,9 x 4,4 m

Condition: used, Year of construction: 2007, turning diameter 65 mm turning length 150 mm control Siemens 840D spindle passage 75 mm turning length 150 mm c-axis 2x 0,001 ° gripping station 65 mm speeds 5000 U/min rapid traverse 30 m/min turret (x-stations) 3x12 Number of axles 10 St. number of toolholder-holes 36 chip conveyor ja / yes kW coolant filtering unit ja / yes kW Number of working hours 35000 h total power requirement 22 kW Crjdpszdk Evsfx Ai Sjh weight of the machine ca. 9 t dimensions of the machine ca. 4,4 x 2 x 2,3 + Iemca m DMG Sprint 64 Linear CNC lathe, built in 2007, 10 axes, 2 spindles, 3 turrets with Iemca Master 880 loading magazine Accessories: a large number of tool holders in total 104 off, 24 of them are driven tool holder

Condition: used, functionality: fully functional, In this listing, you are purchasing a second-hand “Canon imagePROGRAF GP-4000” large-format printer Crodpfx Aiez Et T No Seh Item for sale: 1 x Canon imagePROGRAF GP-4000 with the following specifications: incl. roll unit incl. roll holder set incl. WT36-600 Not the right configuration? We can easily configure the machine to your requirements. Please feel free to contact us! Condition: This listing is for a second-hand machine, which may show signs of wear (minor scratches or discolouration). The unit has been tested to ensure it is in working order Packaging and dispatch: You are welcome to view the unit during our business hours. Please arrange an appointment to do so! Seaworthy packaging and worldwide dispatch available on request! A functional test will be recorded on video for you prior to dispatch or collection. For further information, you are of course welcome to contact us directly.

Condition: used, Year of construction: 2010, x-travel 500 mm y-travel 450 mm z-travel 400 mm control iTNC 530 Heidenhain turning speed range - main spindle 20 - 10.000 min/-1 power capacity - main spindel 13 / 9 kW max. Torque 83 / 57 Nm tool taper SK 40 DIN 69871 table surface area 700 x 500 mm max. table load 500 kg T-slots 7x 14 x 63 mm number of toolpositions 60 pos. max. tool weight 6 kg max. tool diameter 80 mm Crjdpfsy E Tv Ajx Ai Seh max. tool-dia with free toolbox 130 mm max. tool length 300 mm change-time tool to tool 1,6 sec change-time chip to chip 8,0 sec rapid traverse 24 m/min Feed force ( X / Y / Z ) 4,5 kN feed speeds 1 - 24.000 mm/min total power requirement 26 kVA weight of the machine ca. 4,5 t dimensions of the machine ca. 4,5 x 3,5 x 2,3 m CNC - Milling Machine Vertical DECKEL MAHO - DMU 50 - 3 Axis - only ca. 8.097h Spindle-Hrs. - Backup package for power outages - DXF import

Condition: used, Year of construction: 2010, turning diameter max. 320 mm turning length 810 mm control MSX 701 Number of revolutions max. 6.000 U/min power capacity - main spindel 22 / 18 kW max. usable bar diameter 52 mm C-Axis 0,001 ° spindle nose JIS A2-5 collet chuck 140 mm Number of revolutions max. 6.000 U/min power capacity - Sub spindle 22 / 18 kW max. usable bar diameter 52 mm C-Axis 0,001 ° spindle nose JIS A2-5 collet chuck 140 mm number of toolpositions 16 pos. Number of driven toolspositions 16 pos. Spindle speed - driven tools max. 6.000 min -1 power capacity - driven tools 7,5 / 5,5 kW Y - Axis 110 mm number of toolpositions 16 pos. Number of driven toolspositions 16 pos. Spindle speed - driven tools max. 6.000 min -1 power capacity - driven tools 7,5 / 5,5 kW x-travel 1/2: 210 mm y-travel 110 mm z-travel 1/2: 810 mm b-axis 900 mm total power requirement 86 kVA weight of the machine ca. 8,1 t dimensions of the machine ca. 8,0 x 3,5 x 2,8 m CNC - Turning- and MillingCenter MORI SEIKI - NZ 1500 T2Y - Main- and Subspindle - 2 turrets, up and below - Y-Axis - 2x 16 driven tool positions Crodpfx Aisv E R E Aj Sjh

Condition: used, Year of construction: 2008, turning diameter 310 mm turning length 600 mm control Sinumerik 810 D PL Siemens turning diameter over bed 425 mm turning speed range - main spindle 500 - 4.500 min/-1 max. Torque 280 Nm power capacity - main spindel 16,5 kW Spindle diameter 100 mm C-Axis 360 ° chucking diameter 210-52 mm spindle bearing diameter 120 mm clamping cylinder 65 mm Bar feed max. 65 / (52) mm spindle nose A8 DIN 55026 x-axis 230 mm z-axis 740 mm rapid traverse X-axis 15 m/min rapid traverse Z-axis 24 m/min tool positions turret 12 pos. driven statition 12 pos. tool taper VDI 30 DIN 69880 Spindle speed driven tools 6.000 min -1 power capacity - driven tools 3,7 kW max. Torque 9,5 Nm dia. of quill MK 4 80 mm quill stroke 120 mm tailstock adjustment 475 mm tension force 500 daN weight of the machine ca. 4,2 t dimensions of the machine ca. 3,7 x 2,2 x 1,8 m CNC - Turning- and Milling Center SPINNER - TC 65 MC Codpfx Aijtqmqho Sorh - Turret completely overhauld

Condition: used, Year of construction: 2008, turning diameter max. 320 mm turning length 810 mm control MSX 701 MAPPS III standard turning dia. 200 mm Main spindle: Number of revolutions max. 6.000 min/-1 power capacity - main spindel 22 / 18,5 kW Bar feed max. 52 mm spindle bore 61 mm C-Axis 0,001 ° Subspindel: Number of revolutions max. 6.000 min/-1 power capacity - Sub spindle 22 / 18,5 kW Bar feed max. 52 mm spindle bore 61 mm C-Axis 0,001 ° Turret 1 + 3: number of toolpositions je 16 pos. Number of driven toolspositions je 16 pos. Spindle speed - driven tools max. 6.000 min -1 power capacity - driven tools 7,5 / 5,5 kW Y - Axis 110 (+65 / -45) mm Turret 2: number of toolpositions 16 pos. Number of driven toolspositions 16 pos. Spindle speed - driven tools max. 6.000 min -1 Crsdpfotqmqwex Ai Soh power capacity - driven tools 7,5 / 5,5 kW Y - Axis 110 (+45 / -65) mm axis stroke: x-travel 1-3: 210 mm y-travel 1-3: 110 mm z-travel 1+3: 300 / 2: 810 mm total power requirement 90 kVA weight of the machine ca. 9,3 t dimensions of the machine ca. 4,5 x 3,0 x 2,5 m CNC - Turning- and MillingCenter MORI SEIKI - NZ 1500 T3Y3 - Main- and Subspindle - 3 turrets, 2x upper / 1x below - 3x Y-Axis - 3x 16-pos. tool-drive - incl. 28x collets - incl. Hainbuch changing device

Condition: ready for operation (used), Year of construction: 2005, operating hours: 48,000 h, functionality: fully functional, turning length: 1,080 mm, turning diameter: 600 mm, spindle speed (max.): 2,500 rpm, total height: 2,140 mm, total length: 5,300 mm, total width: 2,160 mm, overall weight: 9,000 kg, spindle diameter: 530 mm, Equipment: documentation/manual, Gildemeister CTX 620 — это тяжёлый токарно-фрезерный ЧПУ-станок, предназначенный для обработки крупных и сложных деталей. Станок оснащён гидравлическим патроном 21″, системой управления Siemens Sinumerik 840D, а также осью C, осью Y и приводным инструментом, что позволяет выполнять на одном станке токарную обработку, фрезерование, сверление, нарезание резьбы и другие операции. Большая рабочая зона, высокая жёсткость конструкции и мощный шпиндель позволяют выполнять как тяжёлое черновое точение, так и точную чистовую обработку деталей большого диаметра и длины. CTX 620 особенно хорошо подходит для серийного производства, где важно сократить количество установок детали и обеспечить стабильную точность обработки. Cedpfx Aijz Ehgqj Ssrh

Condition: used, Year of construction: 2009, x-travel 2.360/2x 930 mm y-travel 600 mm z-travel 600 mm table surface area 2.750 x 600 mm Control Siemens 840 D spindle tunring speed 30 - 6.000 U/min tool taper SK 50 number of tool places 26 Pos. Number of working hours ca. 50.884 h connected load 69 KVA weight of the machine ca. 20 t In our assessment, the machine is in good used condition and can be inspected under power by appointment. Technical features & accessories: - Handwheel, Heidenhain HR 410 Credpfx Aioz Ek D So Ssh - Chip conveyor - External belt filtration system Accessories, tools, and workholding devices shown are included in the scope of delivery only if specified in the additional information. Subject to change, errors in technical data and specifications, and prior sale.

Condition: excellent (used), Year of construction: 2008, functionality: fully functional, Tool milling machine Kunzmann WF4/3 with Heidenhain TNC 320 control system, in very good condition, CE-compliant, from a training workshop! Technical data: >> Year of manufacture 2008, machine no. 347141 Crsdpsz Eh Uujfx Ai Ssh >> Fixed angular table >> Speed: continuously variable up to 4500 rpm >> Feed rate continuously variable in 3 axes from 0 to 2000 mm/min >> Rapid traverse X and Y axis 5000 mm/min >> Z axis 4000 mm/min >> Travel ranges X/Y/Z: 400/350/400 mm >> Table surface: 650 x 350 mm >> Table load: 250 kg >> Quill stroke vertical: 60 mm >> Vertical and horizontal quill - SK40 >> Hydraulic clamping system >> Weight approx. 1800 kg >> Space requirement approx.: 2.3 x 2 x 2 m >> Drive power: 15 KVA Accessories and equipment: >> Heidenhain TNC 320 control system >> Hydraulic chuck vertical and horizontal >> Automatic central lubrication >> Spindle brake >> Technical documentation, spare parts diagrams, operating instructions for the control system and programming examples >> Handwheels >> Coolant system (not shown in the pictures) About the machine: Offered is a tool milling machine Kunzmann WF4/3 with a Heidenhain TNC 320 control system. This universal milling machine is in very good condition and has only a few operating hours. It comes from a company where it was only used for training purposes. It has a very easy-to-use control system. Furthermore, the machine has hydraulic chucks for both vertical and horizontal operation. The conversion from vertical to horizontal is very easy by folding down the vertical head. The guides are regularly lubricated by the central lubrication system. The Kunzmann has been mechanically and electrically inspected by us. Take the opportunity to inspect and test the Kunzmann on site under power. There are 5 identical Kunzmann WF4/3 milling machines available from a vocational school. The machines are available immediately.

Condition: used, Univ. Universal milling machine TOS, type FN 32 Year of manufacture: approx. 1980 Travel distances: X: 450 mm, Y: 240 mm, Z: 380 mm Table size: 700 x 300 mm Crodsz Ebu Uspfx Ai Ssh Spindle mount: SK 40 - M16 Spindle speed: 63-2000 rpm, 18 steps Feed rate: 8-400 mm/min, 18 steps Rapid traverse rate: approx. 1400 mm/min Tailstock travel: 90 mm Main spindle motor power: 2.2 kW Connection power: 400 Volt, 50 Hz - 2-axis digital display Heidenhain, type 731B for the X and Y axes - Vertical milling head with boring quill, swiveling +/- 90° and horizontally extendable - Spindle speed via 18 gear stages - Coolant system in the machine base - Electrical control cabinet on the side of the machine - Fixed angle table - Support for horizontal milling - Keyway broaching attachment, 16 to 105 strokes, stroke up to 70 mm, swiveling +/- 90° - 1 piece tool holder SK 40 with slitting cutter - Control cabinet located beside the machine Space requirement L x W x H: 1500 x 1200 x 1970 mm Weight: 1650 kg Good condition

Condition: used, Year of construction: 2018, Control Siemens x-travel 750 mm y-travel 660 mm z-travel 650 mm Swivel range 0 - 180 ° Swivel time (0°–180°) ca. 5 s X-axis acceleration 6 m/s² Z-axis acceleration 9 m/s² Y-axis acceleration 6 m/s² spindle tunring speed 12.000 U/min spindle diameter in front bearing 80 mm Torque S6-40% 210 Nm tool taper HSK 63 number of tool places 120 Pos. The machine was used for machining aluminum and, in our assessment, is in good used condition. Cedpfxeyrt A Ij Ai Sjrh It can be inspected under power by appointment. Technical features & accessories: - Twin spindle - 5-axis - Pallet changer - Minimal quantity lubrication Accessories, tools, and clamping devices shown are only included if explicitly stated in the additional information. Technical data and specifications are subject to change without notice. Prior sale is reserved.

Condition: used, Year of construction: 2012, x-travel 500 mm y-travel 450 mm z-travel 400 mm control iTNC 530 Heidenhain turning speed range - main spindle 20 - 14.000 min/-1 power capacity - main spindel 18,9 / 14 kW max. Torque 100 Nm tool taper HSK A-63 table surface area 630 x 500 mm max. table load 300 kg Swivel range -5 / +110 ° rotation range 360 ° T-slots 7x 14 x 63 mm number of toolpositions 30 pos. max. tool weight 6 kg max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. workpiece length 300 mm rapid traverse 24 m/min Crsdpezyu Umsfx Ai Sjh Feed force 4,8 kN feed speeds 1 - 24.000 mm/min total power requirement 25 kVA weight of the machine ca. 5,0 t dimensions of the machine ca. 4,5 x 3,5 x 2,3 m CNC - Milling Machine Universal DMG MORI SEIKI - DMU 50 - 5 Axis - swivable rotary table

Condition: used, Year of construction: 2013, Footprint: approx. 3900 x 2100 x 2280 mm Year: 2013 Serial No.: NL254130210 Max. turning diameter: 366 mm Operating hours: 21,935 h Standard turning diameter: 271 mm Max. turning length: 705 mm Bar capacity: 80 mm Swing over bed: 920 mm Swing over cross slide: 742 mm X-axis travel: 260 mm Credpfjzz Hlgex Ai Seh Y-axis travel: ±50 mm Z-axis travel: 795 mm Main spindle speed: up to 4,000 rpm Spindle nose: JIS A2-8 Spindle bore: 91 mm Spindle bearing inner diameter: 140 mm Recommended chuck: 10" Turret: 12 stations Tool positions: 12 Driven tools: up to 6,000 rpm Drilling capacity, driven tools: Ø 26 mm Thread cutting: M20 Rapid traverse X/Z: 30,000 mm/min Rapid traverse Y: 10,000 mm/min Tailstock travel: 734 mm Tailstock quill: Ø 80 mm Main spindle motor: 18.5 / 18.5 / 15 kW Driven tools motor: 5.5 / 5.5 / 3.7 kW

Condition: excellent (used), Year of construction: 1984, functionality: fully functional, travel distance X-axis: 760 mm, travel distance Y-axis: 370 mm, travel distance Z-axis: 335 mm, rapid traverse X-axis: 5 m/min, rapid traverse Y-axis: 5 m/min, table width: 420 mm, table length: 1,200 mm, spindle mount: MK 4, total height: 2,310 mm, total width: 1,900 mm, total length: 2,650 mm, type of input current: three-phase, rotational speed (max.): 4,000 rpm, rotational speed (min.): 40 rpm, workpiece weight (max.): 405 kg, quill travel distance: 150 mm, power: 6 kW (8.16 HP), Equipment: rotational speed infinitely variable, Type control: Heidenhein 150 System resolution: 0,001 mm Documentation for machine Cjdjunhy Sopfx Ai Serh

Condition: excellent (used), End mill for cylindrical surfaces Crodpsd Hfi Uefx Ai Seh Shell mill Manufacturer: Mitsubishi Type: SPX4R05034BT50NM Length: 340 mm

Condition: used, Year of construction: 2007, Technical details: spindle diameter: 160 mm x-travel: 6500 mm Crsdpfx Aezuy Sgsi Soh y-travel: 3000 mm W-axis (spindle longitudinal): 1000 mm dimension of the ram: 400 x 420 mm ram stroke: 1000 mm bore spindle turning speed range: 1 - 2000 U/min spindle taper ISO: 50 feed speeds: 2 - 6000 - 8000 mm/min rapid speed: 8/10 m/min total power requirement: 100 kW weight of the machine ca.: 76 t dimensions of the machine ca.: 12 x 4 x 7,5 ( 5,4 ü.F. ) m with CNC Steuerung HEIDENHAIN iTNC 530 autom. toolchanger 40-pockets autom. Pickup Station for universal milling head, and facing head rotary table 2500 x 2500 mm , max load 25 to. 1500 mm longitudinal movement floor plate 4000 x 2000 mm measuring probe, chip conveyor and coolant attachment *

Condition: used, Year of construction: 2012, functionality: fully functional, Control system: Matrix II Travel ranges: X-axis 207 mm X2-axis 141 mm Credoz Dtmgspfx Ai Seh Y-axis 100 mm Y2-axis 70 mm Z-axis 760 mm Z2-axis 815 mm Main spindle: Drive power 22 kW Max. spindle speed 5,000 rpm Spindle nose A2-6 Counter spindle: Drive power 22 kW Max. spindle speed 5,000 rpm Spindle nose A2-6 Tool turret: Number of tool positions 24 Max. speed of driven tools 6,000 rpm Tool stations 24 Driven tool stations 24 2 pcs. 12-position turret Max. turning diameter: Max. turning diameter (upper turret) 344 mm Max. turning diameter (lower turret) 210 mm Max. swing diameter: Max. swing diameter (upper turret) 370 mm Max. swing diameter (lower turret) 320 mm Additional equipment: Bar feeder LNS Robot interface Automatic door Tool setter on the right and left Chip conveyor, discharge to the right Separate coolant system 15 bar high-pressure pumps Coolant temperature control

Condition: excellent (used), Milling arbors SK 50 Cutter holder Diameter 3 x 27 mm 1 x 32 mm Stock number 28609 Crsdpfxewc N Ddj Ai Soh Weight 12.5 kg Pack of 4 for €100 Other sizes and quantities upon request