Used Cnc Turn Mill Centre for sale (22,301)

Condition: used, Year of construction: 2021, max. swing diameter over bed 620 mm max. turning diameter 270 mm Max. Turning length 510 mm Nsdpfx Aaewmgixsaowf control Siemens Sinumerik 828D spindle bore 62 mm travel -x axis 200 mm travel -z axis 560 mm travel -y axis 110 (+/- 55) mm no. of tools in turret 16 x tool taper BMT 45 - - - - - Main spindle - - - - - - - - - - - number of spindle speeds 4.500 U/min chucking diameter 200 mm --- Subspindle --- - - - - - - number of spindle speeds 6.000 U/min chucking diameter 150 mm CNC Turning- and Milling Center | MTEvo - T22SY equipped with a turret for driven tools, Y-axis, and sub-spindle. Scope of delivery / Accessories: - 7x static holders - 1x vertical driven tool - 1x horizontal driven tool The machine has accumulated only 1,656 spindle hours on the main spindle and 542 spindle hours on the sub-spindle. The machine is in a very well-maintained, like-new condition. For additional equipment information please refer to the original order confirmation which is included in the offer of this machine. Please note that the technical details were added from comparable machines. The machine video from the production plant will be shared on request. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #Tags: MTRent - T22SY | T 22 SY | T-22SY | T-22 SY | T22SY

Condition: used, Year of construction: 2001, workpice diameter max. 90 mm forward bearing diameter 140 mm Turning speeds mainspindle 4.200 U/min Power 35,5 KW Control INDEX C 200-4 travel -x axis 1.500 mm travel -z axis 340 mm travel -y axis 180 mm b-axis 360 ° CNC turning and milling center vertical | INDEX - V300 equipped with a turret for driven tools as well as y- + B- axis. Further information: - direct measuring system on X + Z The machine is in good condition. For additional equipment information please refer to the original order confirmation which is included in the offer of this machine. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Njdpfxjvzcnbe Aaaswf #Tags: V-300 | V 300

Condition: used, Year of construction: 2004, max. working diameter 610 mm max. working lenght 1.522 mm travel -x axis 740 mm travel -y axis 410 mm travel -z axis 1.838 mm control MAZATROL Fusion 640M Pro b-axis 240 ° c-axis 360 ° number of spindle speeds 4.000 U/min spindle bore 88 mm milling spindle turning speed range 12.000 U/min numbers of positions in the tool changer 80 CNC Turning- and Milling Center | MAZAK - INTEGREX E-410H The machine is in a well-maintained condition. The machine video from the production plant will be shared on request. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Nedpfxjx Avr So Aaaowf #Tags: INTEGREXE41H | INTEGREX 410H | INTEGREX-E410 H

Condition: excellent (used), Year of construction: 2022, functionality: fully functional, We offer you: Manufacturer: DMG MORI Type: CLX 450 TC Year of manufacture: 2022 Control: Celos with Siemens 840D sl Operate Technical data: Max. turning diameter: 400 mm Turning length: 1,100 mm Bar capacity: max. 65 mm Travel axes: X-axis travel: 276 mm Z1-axis travel: 755 mm Z3-axis travel: 775 mm Y-axis travel: +/- 100 mm B-axis travel: +/- 120° Main spindle: Speed: 5,000 rpm Drive power: 14 / 17 kW Max. torque: 275 / 345 Nm Sub spindle: Speed: 5,000 rpm Drive power: 14 / 17 kW Max. torque: 275 / 345 Nm Milling spindle: Speed: 0 – 12,000 rpm Drive power: 8.8 / 10.5 kW Tool holder: HSK-A 63 Tool changer: 60 positions Max. torque: 73 / 90 Nm Hollow clamping device: Ø 67 mm Technical features & accessories: - Absolute, direct path measuring systems in X and Y axes - Double switch filter - DMG Mori IoT connector - Dynamic dual-pressure clamping for main and sub spindle - Three-jaw power chuck, SMW Autoblok for main and sub spindle - Tailstock function for sub spindle incl. foot switch - Hinged belt chip conveyor incl. coolant tank - Coolant system 8 / 20 bar, consisting of: - Coolant tank 600 l - Band filter system - Lift pump - Mechanical oil mist separator - Chuck flush device on main and sub spindle - Coolant supply through sub spindle - Coolant spray gun - Safety glass disc cleaning system - Workpiece probe RMP40, Renishaw - Tool measurement probe Z-Nano, Blum - MPC (Machine Protection Control) - Path measuring system for Z1-axis - Automatic working area door, electric - Electrical interface for Robo2Go, includes: - Additional compressed air connection - Additional Ethernet interface - Power supply for robot via machine - Bar machining package Ø67 mm, comprising: - Max. bar diameter Ø67 mm - Workpiece pick-up system with conveyor belt, left-side discharge for parts up to Ø80 mm x 200 mm, max. workpiece weight 6 kg - Pneumatic ejector for sub spindle - Connection for bar feeder or bar magazine - Tropical package - Signal provision for operating data acquisition device - Electronic handwheel - Inputs and outputs controllable via M function - Expansion of tool data and tool corrections to 3,000 - Off-center turning and milling operations - Complete machining of shaft parts - Technology cycle for alternating spindle speed - Multi-thread cycle 2.0 Nodpfsy Hfpwex Aaaowf - Technology cycle with dialog-guided programming - Technology cycle for parting-off Accessories, depicted tools and clamping devices are only included in the scope of delivery if specified in the additional information. Changes and errors in the technical data and information, as well as prior sale, reserved!

Condition: good (used), Year of construction: 1998, Mazak Integrex 35 turning/milling center,\nyear of manufacture: 1998,\nMazak T Plus control,\nturning length 1500 mm,\nmax. turning diameter 575 mm,\nY axis,\nb-axis steplessly swiveling,\nchain magazine for 40 tools,\nturning tool holder KM 63,\nmilling tool holder SK 40,\ntailstock,\nstead rest,\nchip conveyor,\nKitagawa three-jaw chuck B 12, Nwodey Ev Rpopfx Aaaef

Condition: excellent (used), Year of construction: 1995, Centre height: 330 mm Centre distance: 2000 mm Working area: Max. turning diameter over bed cover: 650 mm Max. turning diameter over cross slide: 360 mm Main spindle: Spindle diameter in front bearing: 140 mm Spindle bore: 107 mm Main drive: 58.5 kW 2-stage speed range: 4 – 750 rpm / 750 – 3060 rpm Nwodpfxsx Sx Hts Aaaef Feed drive: Rapid traverse X/Z axis: 10/10 m/min Turret: Number of tool stations: 12 Of which driven tool stations: 6 Tool shank holder: VDI 50 mm Dimensions / Weight: Required floor space (L x W x H): approx. 6400 x 2150 x 2000 mm Weight: 9400 kg Accessories / Special Features: • CNC path control HEIDENHAIN TurnPlus EP 90 with color display • Spindle orientation, C-axis • 12-position turret, VDI 50, including 6 driven tool stations in turret, manufacturer SAUTER, DIN 5482 B 20x17, max. speed 3000 rpm • Hydraulic 3-jaw chuck Ø 315 mm with various clamping jaws • Hydraulic tailstock with drag device • Hydraulic quill actuation • Extraction unit, manufacturer LTA • Various tool holders VDI 50 • CE-compliant In 08/2025, GILDEMEISTER service replaced the following parts: 1 servo motor, 1 AC servo controller inverter power module for 2 axes, 1 Simodrive power module, 1 line-commutated return module, 1 control insert for 1 axis, 1 controller module for 2 axes inverter servo drive, 1 Simodrive power module for 1 axis motor. Total repair cost: EUR 17,000.00 net Important note: On this very well-maintained CNC turning and milling center GILDEMEISTER CTX 600-2000 (year 1995), the positioning of the C-axis does not function and the driven milling unit rotates but does not engage. Otherwise, the machine is in perfect condition. A demonstration under power is possible at any time by prior appointment. Siegfried Volz Werkzeugmaschinen Rüschebrinkstr. 151-153 DE - 44143 Dortmund - Wambel

Condition: good (used), Year of construction: 2021, functionality: fully functional, Fanuc control, 66 mm spindle bore, two turrets, two Y-axes, sub-spindle, tailstock function, tool measuring arm, programmable finished parts gripper, chip conveyor, Irco short bar loader magazine, Hainbuch chuck on both spindles, accessories: tool holders, driven tool holders, immediately available. Nsdpfxjy Df E Te Aaaewf

Condition: used, Year of construction: 2011, Technical details: weight of the machine ca.: 11 t Gildemeister MF Twin 65-II lathe with loading automation. This machine is suitable as a counter spindle machine for 4-axis machining on the main and counter spindles, complete machining (turning, drilling, milling, Y-axis, B-axis) of bar and shaft parts. * Nsdpfjyz Sdqjx Aaaewf

Condition: used, Year of construction: 1988, functionality: unexamined, machine/vehicle number: 00374030, turning length: 2,000 mm, turning diameter over cross slide: 770 mm, turning diameter: 770 mm, spindle speed (max.): 1,800 rpm, feed rate X-axis: 10 m/min, feed rate Z-axis: 10 m/min, total height: 2,125 mm, total length: 5,690 mm, chuck outer diameter: 250 mm, total width: 2,900 mm, overall weight: 8,500 kg, Equipment: rotational speed infinitely variable, The Heyligenstaedt 24 U / 2000 CNC lathe, built in 1988, is in very good and well-maintained condition, but was last used in production in 2023. The machine is equipped with extensive accessories (see photos) and can be inspected at the production site AQUAtec Machining AG Industriepark, 6460 Altdorf, Switzerland, upon request. Nwedpfowfqvmsx Aaajf

Condition: used, Year of construction: 2003, Technical details: weight of the machine ca.: 11 t Nwodpfx Aaeyzyudsasf Gildemeister MF Twin 65-II lathe with loading automation. This machine is suitable as a counter spindle machine for 4-axis machining on the main and counter spindles, complete machining (turning, drilling, milling, Y-axis, B-axis) of bar and shaft parts. *

Condition: good (used), Year of construction: 2005, The machine has received annual maintenance under a service contract with Okuma. Okuma Mac Turn 550 W / 9-axis Turning-Milling Center Year of manufacture: 2005 Control: OSP-E 100 L / extension kit “M”, One Touch IGF kit Milling spindle slide: X/Y/Z/B axes Sub-spindle W axis Main spindle with C axis Sub-spindle with C axis Lower turret slide X/Z axes Max. turning diameter: 720 mm Turning length: 2,000 mm Distance between tailstock tip and spindle nose: 2,505 mm Y-axis travel: 250 mm (+/- 125 mm) Main spindle speed: up to 3,500 rpm Spindle power: 30 kW Lower turret: 12 stations without driven tool stations Lower turret with steady rest, thus only 9 stations instead of 12 Self-centering steady rest: 35 - 240 mm Milling spindle continuous B axis: 0.001° Tool magazine: 80 stations HSK 100 tool interface New Forkhardt 3-jaw chuck Ø 400 mm (value: €12,000) Sub-spindle without chuck, currently equipped with mandrel / supplied without mandrel Enlarged main spindle bore 110 mm (Ø 150/110 mm) Spindle nose size 11 2-stage clamping pressure Sub-spindle as hollow shaft motor, speed up to 3,800 rpm Ethernet LAN interface Renishaw in-process measurement Additional measurement system on Y axis Tool length 450 mm instead of 350 mm Door automation on both doors Nsdjyt Nvtopfx Aaaswf Chip conveyor Gravity band filter with clean tank, 900 liters Frequency-controlled supply pump, up to 20 bar The machine has received annual maintenance through a service contract with Okuma. In 2023, the cable drag chain of the W axis, including all hoses, was replaced. In October 2024, the linear guides for X/Y/Z were replaced. Work performed by Okuma: - Machine cleaned - Sheetmetal parts and covers dismantled - 8th axis dismantled - Traveling column dismantled and removed from the machine - ATC removed and taken out of the machine - All linear guides removed - Mounting surfaces of the ZA axis cleaned - New linear guide ZA including carriages installed and tightened to spec - New ball screw ZA including bearings mounted and fitted - Baseplate of the traveling column installed and bolted to spec, carriages fastened, lubrication lines connected - ATC and auxiliary parts reinstalled and connected - New YA and XA linear guides installed and tightened to spec, new YA ball screw with bearings installed - Traveling column set in place and lubrication lines connected, XA baseplate installed and aligned - 8th axis installed and aligned - H1 turret installed - 8th axis drive motor installed - Install 8th axis and new H1, set up geometry - Function test 8th axis and H1 - Run-in program for B axis, approx. 12 hours, then drain old oil from 8th axis - Run-in program for H1 and prepare defect report for OEG - Left door installed, various sheetmetal parts adjusted - Chuck installed - Adjust zero points - Check tool change

Condition: excellent (used), Year of construction: 2019, functionality: fully functional, Technical details turning diameter 820 mm turning length 6000 mm control Siemens Si 840 D sl total power requirement 155 kW weight of the machine ca. 65 t dimensions of the machine ca. 16350 x 3700 x 3850 m Additional information Purchase price EUR 1.550.000 Time recording from Feb. 2025 Operating hours = 38601 h Main spindle = 1958 h Milling spindle = 1760 h CNC control Si 840D sl Working area 6000 mm Working height 1390 mm Swing diameter over bed slide/bed 820 mm X-axis travel +850 -25 mm Z-axis travel 6820 mm C-axis, smallest increment +/-0.001° Workpiece spindle Spindle head according to DIN 55026 A15 Nedpfx Aoyymvlsaaowf Bathing through 160 mm Front diameter Bearing 240mm 2-stage gearbox, infinitely variable programmable Drive power at 100/60% duty cycle: 78/87kW Speed ranges: 2 Speed range I: 10-501 rpm Speed range II: 10-1750 rpm Torque I, 60% duty cycle: 8000 Nm Torque II, 60% duty cycle: 2308 Nm C-axis Holding torque with backlash-free spindle brake: 3000 Nm Speed: 0-50 rpm Maximum torque (100/60% duty cycle): 3700/4430 Nm Steady rest clamping range: 70-425 mm Turning, drilling, milling head Front diameter: Bearing 110mm Interface HSK100/C8 Tool magazine Storage locations: 2 magazines, Baluff chip system Max. tool diameter (each position/every 2nd position) 125/200mm Max. tool length 600mm Tool weight 25kg Tailstock Quick diameter 180mm Stroke 170mm Internal taper MK6 Axially force, manually adjustable 5-30 kN Quick tip height adjustment +/-0.15mm Other: Collision monitoring sensor ACS 3-ARTIS Chip conveyor system Coolant system 980l tank and more

Condition: ready for operation (used), Year of construction: 2006, operating hours: 16,093 h, functionality: fully functional, turning length: 1,000 mm, spindle speed (max.): 5,000 rpm, controller model: MITSUBISHI M-720BM (MAPPS 2), counter spindle speed (max.): 5,000 rpm, milling spindle speed (max.): 12,000 rpm, TECHNICAL DETAILS Turning length: 1,000 mm Main Spindle Max. spindle speed: 5,000 rpm Drive power: 22/15 kW Spindle bore: 73 mm Counter Spindle Max. spindle speed: 5,000 rpm Nodpfxey Eydye Aaaswf Drive power: 22/15 kW Spindle bore: 73 mm Milling spindle speed: 0 - 12,000 rpm Tool holder: Capto C6 Tool stations: 100 positions Hollow clamping device: 67 mm MACHINE DETAILS Control unit: MITSUBISHI M-720BM (MAPPS 2) Operating Hours Operating hours: 26,875 h Spindle hours: 16,093 h EQUIPMENT Y-axis Fully indexable B-axis Chip conveyor, discharge right Standard coolant system Interface for high-pressure coolant system, 70 bar Tool spindle with through-spindle cooling Coolant spray gun Blow air through sub spindle Manual tool presetting on main spindle 3-color signal tower Double foot switch Simultaneous 5-axis machining Automatic power off Tool offset for 5-axis machining Programmable data input Dynamic interchange diameter/radius Stroke check prior to movement

Condition: excellent (used), Year of construction: 2002, functionality: fully functional, machine/vehicle number: 157626, Manufacturer: Mazak Model: Integrex 200-2SY Njdpevlxf Defx Aaaowf Controller: Mazatrol PC Fusion CNC 640 Robot NOT included Max. Machining diameter: 540 mm Max. Machining length: 1018 mm Spindlebore: 51 mm Spindlepower: 22 kW 5000 rpm Travel: X = 530 mm Z = 1065 mm Machine weight: 7800 kg. Machine dimensions: L=5200 x W=2500 x H=2750 mm

Condition: excellent (used), Year of construction: 2019, functionality: fully functional, Main spindle 10” 4000 rpm Turret 12 stations Live tool speed 4500 rpm Spindle bore 91 mm X-axis: 215 mm Z-axis: 605 mm Machine dimensions: 2700 x 1690 x 1725 mm Weight: 4600 kg Nsdpeylxbijfx Aaaswf Without chip conveyor

Condition: good (used), Year of construction: 2007, operating hours: 24,276 h, Gildemeister Lathe NEF 600 Year of manufacture: 2007 Control: Heidenhain Plus Max. turning diameter: 600 mm Centre distance: 1,250 mm Swing over bed: 600 mm Cross travel: 320 mm Main spindle: Speed range - main spindle: max. 3,000 rpm Spindle bore: 90 mm Chuck diameter: 320 mm Nwedpfxoykbk Ro Aaajf Tool turret: Number of tool positions: 8 positions Total power requirement: 42 kVA Machine weight approx.: 5.0 t Space requirement approx.: 3.6 x 2.14 x 1.95 m Accessories: Rinsing gun, Schunk chuck 315 mm, Tailstock MK 5

Condition: good (used), Year of construction: 1999, Emco lathe PCturn 120 with accessories and documentation Nwedpfx Aaeyhzfyjasf

Condition: used, Year of construction: 1998, turning diameter / mm turning length / mm control / Technical Specifications Working Area Max. swing diameter: 540 mm Max. turning diameter: 540 mm Max. turning diameter over ways: 520 mm Max. turning length: 1029 mm Main Spindle Speed range: 35–5,000 rpm Main drive power: 22 kW Max. torque: 349 Nm Spindle nose: A2 – 6 inches Spindle bore: 61 mm Spindle positioning C-axis: 0°–360°/0.001° Tool turret Tool turret type: Single-spindle turret Driven tools Speed range: 15–6,000 rpm Drive power: 7.5 Kw Max. torque: 103 Nm Tool magazine Number of tool positions: 40 Max. tool weight: 7 kg Machine weight: approx. 5700 kg Nedpfxjyyqtho Aaaowf A wide range of accessories included – see photos A backup from 3 September 2012 is available

Condition: excellent (used), Year of construction: 2009, functionality: fully functional, turning length: 513 mm, turning diameter over cross slide: 300 mm, spindle speed (min.): 4,500 rpm, spindle bore: 76 mm, travel distance X-axis: 200 mm, travel distance Z-axis: 580 mm, DOOSAN PUMA 240MS LATHE WITH SUBSPINDLE AND BAR FEEDER Nwsdpoyivaksfx Aaaof

Condition: excellent (used), Year of construction: 2018, MAZAK QUICK TURN 100MSY Max. turning diameter: 280 mm Max. milling speed: 5,000 rpm Max. spindle speed: 5,000 rpm Max. bar diameter: 42 mm Nwsdpfx Aaoygi A Hjaef The machine is equipped with: - Mazatrol SmoothG CNC control - KITAGAWA 3-jaw chuck for main spindle, diameter 169 mm - KITAGAWA 3-jaw chuck for secondary spindle, diameter 135 mm - Tool Eye - C-axis - C-axis on sub-spindle with 0.0001° resolution - Y-axis - Automatic parts catcher - Signal light (3-color LED) - Reinforced coolant pump - Chip conveyor - Standard MAZAK tool package

Condition: excellent (used), Year of construction: 2005, turning length: 1,585 mm, turning diameter: 760 mm, spindle speed (max.): 6,000 rpm, travel distance X-axis: 630 mm, travel distance Y-axis: 230 mm, travel distance Z-axis: 1,585 mm, bar passage: 80 mm, Max. turning Ø: 760mm X-axis: 630mm Y-axis: 230mm Z-Axis: 1585mm B Axis: 225° Spindle bore: 80mm Speed range: 6000Rpm B-Axis Speedranges:12000Rpm B-Axis power: 19kW Length: 7000mm Width: 2700mm Height: 2800mm Weight: 14500kg Nwsdpjvgcpvsfx Aaajf

Condition: excellent (used), functionality: fully functional, Fixed tool holders Machine: MORI SEIKI SL2000 Turret manufacturer: SAUTER ---- 2x→ No. 444-119 Turning Tool Holder 25 mm steel holder Fixed turning tool holder Price: on request ----- 1x→ No. 444-201 Double Turning Tool Holder for main spindle and sub spindle with 1x clamping bar for 25 mm tool steels Fixed turning tool holder Price: on request ----- 1x→ No. 444-210 Boring Bar Holder Cylindrical mount ø 32 mm second mount ø 32 mm; 57 mm to the rear Price: on request ----- Nwedpfx Aasynb E Neajf 1x→ No. 444-205 Turning Holder Mount 25 mm steel holder Price: on request

Condition: excellent (used), Year of construction: 2022, Turning diameter 376mm, turning length 760mm, bar capacity 76mm, Y axis -/+ 52.5mm, C axis 0.001 degrees on both spindles, Nwedsyll Txjpfx Aaajf 12 station turret, 22KW Motor, Main spindle 4000rpm, sub-spindle 4500rpm, 3 jaw chucks, swarf conveyor, tool setter,

Condition: good (used), Year of construction: 2011, functionality: fully functional, number of driven tool stations in tool turret 1: 48, number of driven tool stations in tool turret 2: 12, Available immediately and can be viewed under power. Upper X Y Z ballscrews fully refurbished mid 2023 by UK company. Included as shown in pictures -- Live tooling turret NA44A/BMT44 -- Capto C4 milling -- Capto C4 turning holders -- Capto C4 extensions -- 3 x Dual Capto C4 for turret -- Various other turret holders as pictured -- See attached spreadsheet (PDF below), for included holders. -- Renishaw arm -- Part catcher arm + converyor (not used for a long time) -- Old version of CAMplete TurnMill with USB dongle Nwodpfx Aeycl Epjaajf TECHNICAL DETAILS - Number of axes : 9 - Number of spindles : 2 MAIN SPINDLE - Spindle nose : A2-5 - Spindle power : 11 [kW] - Spindle speeds : 4500 [rpm] - Max. bar diameter : 65 [mm] - Max. turning diameter : 200 [mm] - C axis indexing precision : 0,001 [°] COUNTER-SPINDLE - Spindle nose : A2-5 - Spindle power : 11 [kW] - Spindle speeds : 5000 [rpm] - Max. bar diameter : 51 [mm] - Max. turning diameter : 200 [mm] - C axis indexing precision : 0,001 [°] - Travel : 780 [mm] - Spindle / counter-spindle distance : 980 [mm] TURNING-MILLING SPINDLE - X/Z stroke : 570/1297 [mm] - Y stroke : +/- 100 [mm] - B Axis stroke : 190 (+/-95) [°] - Tool type : Capto C4 - Spindle speeds : 12000 [rpm] - Spindle power : 7,5 [kW]

Condition: excellent (used), Year of construction: 2022, functionality: fully functional, Time recording from Feb. 2025 Operating hours = 16085 h Main spindle = 616 h Milling spindle = 369 h CNC control Siemens Sinumerik Si 840D sl Max. center distance 4500 mm Working height 1375 mm X-axis travel -15 +725 mm Y-axis travel -245 + 4756 mm Swing diameter over cross slide 780 mm Swing diameter over bed 820 mm C-axis, smallest increment +/-0.001° Main spindle A15 with BVG; 3135 N;/2000 rpm Spindle head DIN 55026 Form A 15 Max. speed 3000 rpm Max. torque 3135 Nm Drilling/milling unit Milling power (40/100% duty cycle) 36.5/29.8 kW Torque up to 1110 rpm (40/100% duty cycle) 328/261 Nm Max. spindle speed 5000 rpm Swivel range (B-axis) -105 +95° Vertical travel (Y-axis) -250 +250 mm SR5 steady rest with eccentric fine adjustment 45–310 mm C8 tool system Tool magazine (2 magazines) 144 Tailstock Quad diameter MK6 180 mm Quad stroke 170 mm Quad force (adjustable) 5–28 kN Quad fine adjustment +/- 0.15 mm Optional equipment Coolant tank capacity 990 l Workpiece measurement MC (Reinshaw) Software Gear hobbing &more Nwedpfxjyxp H De Aaaof