Used Fixed Centering Point for sale (21,158)

Condition: excellent (used), Year of construction: 2024, operating hours: 50 h, Lamella Production Machine The automatic acoustic panel stapler is equipped with an advanced three-axis NC control system, providing exceptional precision and flexibility in the manufacturing process. Below are the detailed advantages of each axis: 1. X-Axis: Precise Stapler Positioning Along the Horizontal Axis - The X-axis ensures accurate horizontal positioning of the staplers along the panel. This guarantees that staples are precisely applied at designated points, ensuring consistent stitching quality across the entire length of the panel, regardless of its size. 2. Y-Axis: Vertical Movement - The Y-axis allows vertical movement of the stapler, enabling stapling at various locations on the panel, regardless of its dimensions or shape. This enables the stapler to work with non-standard sized panels while maintaining full accuracy. 3. Z-Axis: Depth and Stapling Force Control - The Z-axis controls the depth and force with which the staples are driven into the panel. This allows the process to be precisely adjusted according to the thickness and hardness of the acoustic panel material. As a result, staples are embedded with optimal strength, ensuring the durability and aesthetics of the finished product while minimizing the risk of material damage. Bdjdpfey Sw I Nex Al Ajh ### Automatic Changeover Automatic changeover is a key feature that significantly enhances production efficiency. With this function: - Changeover of the X, Y, and Z axes is fully automatic. ### Production Process Optimization Integration with production management systems such as MES (Manufacturing Execution System) and ERP (Enterprise Resource Planning) enables: 1. Full Control Over the Manufacturing Process: - Thanks to MES and ERP integration, every stage of production can be fully monitored and managed. 2. Optimization of Media and Material Consumption: 3. Optimization of Production Plans: ### Significant Relief for Operators Automation of the acoustic panel stapling process directly reduces manual workload: - Elimination of manual control requirements - Increased work efficiency ### Capability to Develop Algorithms for Media Demand Analysis Thanks to advanced integration with manufacturing management systems, the stapler allows for the creation of sophisticated algorithms to analyze production media demand: 1. Media Demand Analysis: 2. Adapting Production to Variable Conditions: ### OEE (Overall Equipment Effectiveness) Analysis The stapler also facilitates advanced OEE analysis, a key performance indicator in production operations: 1. Comprehensive Production Monitoring: 2. Automatic OEE Calculation: - The MES system automatically calculates the OEE value based on collected data, allowing immediate assessment of the stapler’s operational efficiency. This tool enables rapid identification of areas requiring optimization, such as downtime reduction, product quality improvement, or machine performance enhancement. 3. Early Detection of Problematic Areas: 4. Optimization of Production Plans: ### TPM (Total Productive Maintenance) and Automated Condition Monitoring The stapler also supports the implementation of TPM philosophy, focusing on maximizing machine efficiency and reliability...

Condition: excellent (used), Year of construction: 2022, Turning diameter 376mm, turning length 760mm, bar capacity 76mm, Y axis -/+ 52.5mm, Bdjdpfjzt Spnsx Al Aeh C axis 0.001 degrees on both spindles, 24 station turret, 22KW Motor, Main spindle 4000rpm, sub-spindle 4500rpm, Fanuc I series, 3 jaw chucks, swarf conveyor, tool setter, LNS barfeed unit.

Condition: used, Year of construction: 2008, Control: HEIDENHEIN iTNC 530 Spindle: 35/47 Nm; 12,000 rpm Tool Holder: HSK-A 63 Tool Magazine: 40 positions (disc type) Travel (X/Y/Z): 600 / 770 / 805 mm Bdjdez Dizmopfx Al Ash The machine is currently in storage. The images shown may not reflect its current condition while in storage.

Condition: used, Year of construction: 2009, Control Heidenhain iTNC 530 x-axis 4.100 mm y-axis 2.000 mm Bdedjz Dby Ispfx Al Aoh z-axis 800 mm table dimensions 4.100 x 1.700 mm max. table load 12.000 kg number of tool places 32 Pos. tool taper SK 50 In our assessment, the machine is in good used condition and can be inspected under power by appointment. Several wear parts on the machine have recently been replaced. Accessories, tools, and clamping 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: used, Year of construction: 2012, functionality: fully functional, Control system: Matrix II Bjdpfx Aljz Dtmgs Aodh Travel ranges: X-axis 207 mm X2-axis 141 mm 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: used, Year of construction: 2007, x-axis 10.100 (2x 5.000) mm y-axis 3.000 mm z-axis 1.500 mm Control Sinumerik 840 D Siemens distance between columns max. 3.000 mm passage max. 1.950 mm distance spindle center to table max. 1.800 mm distance spindle nose and table 1.350 / 1.500 mm type P 8005020/00-4 turning speed range - main spindle max. 18.000 min/-1 power capacity - main spindel 20 kW max. Torque 48 Nm tool taper HSK-A63 DIN 69063 Spindle Extension 450 mm swivellable B: +110° / -10 ° rotatable C: +/- 200 ° type P 8002320/00-4 turning speed range - main spindle 20 - 5.000 min/-1 power capacity - main spindel 40 kW max. Torque 1.100 Nm tool taper HSK-A100 DIN 69063 Spindle Extension 300 mm swivellable B: +110° / -10 ° rotatable C: +/- 200 ° table surface area 4.000 x 2.200 (2x) mm max. table load 12 / 20 t height over floor 700 mm number of T-slots 11 + 19 T-slot - width 28H7 mm T-slot - distance 200 mm Bdsdpfozf Nn Eox Al Ash number of toolpositions 327 pos. number of toolpositions HSK A63: 156 pos. number of toolpositions HSK A100: 171 pos. max. tool diameter HSK A63: 52 mm max. tool length HSK A63: 250 / 500 mm max. tool weight HSK A63: 5,0 kg max. tool diameter HSK A100: 315 mm max. tool length HSK A100: 500 / 800 mm max. tool weight HSK A100: 40,0 kg feed speeds X: max. 30.000 mm/min feed speeds Y/Z: max. 40.000 mm/min feed speeds B: 3.600 °/min feed speeds C: 2.160 °/min Accelaration X: max. 1,5 m/s² Accelaration Y/Z: max. 3,2 m/s² x-axis 10.100 (2x 5.000) mm y-axis 3.000 mm z-axis 1.500 mm b-axis +110° / -10 ° c-axis +/- 200 ° total power requirement 150 kVA dimensions of the machine ca. 25,0 x 12,0 x 7,0 m 5-Axis Gantry-Big-Machining-Center DROOP + REIN - TFS 22 40 DT D40 P - two Milling-Heads - ca. 4.000 Power On Hours - X-Achse 10.000mm (coupled) / 2x 5.000mm (single-table) - 3 axes simultaneously (X, Y, Z) - 2 positioning axes (B, C) - tools upon request

Condition: used, Year of construction: 1970, Technical details: turning diameter over bed: 500 mm turning diameter over support: 300 mm turning length: 1000 mm center height measured in bed: 250 mm centre distance: 1000 mm revolution per minute: 18...1800 / 21 step U/min spindle bore of work spindle: 56 mm tailstock quill adjustment:: 180 mm longitudinal feeds:: 0,08 - 3,26 mm/U cross feed: 0,04 - 1,63 mm/U Rapid feed X axis: 4,2 m/min. total power requirement: 7,5 kW weight of the machine ca.: 2,9 t dimension machine xH: 2,6 x 1,1 x 1,3 m 4-jaw chuckØ 250mm with internal jaws Bsdpfx Alovvrpko Ajdh live center in tailstock 4-fold quick-clamping tool holder coolant system Accessories: various reduction sleeves MK3-MK5-MK4 revolving tip "Clamping heart" 3-jaw chuck Ø 250mm with inner jaws The machine does not comply with APR (accident preventing regulations) *

Condition: used, Year of construction: 2001, 7-Axis Turning and Milling Center Manufacturer: OKUMA Type: MacTurn 50 Year of Construction: 2001 Control: OSP-U100L Spiral and Circular Interpolation Upper Turret HS ATC: X1 = 598 mm Z1 = 1,660 mm Y = 230 mm, +110 mm, -120 mm C = 360/0.001 Bdjdpfsz D I Ifjx Al Ajh B = 360/1, indexed Turning Diameter Max.: 610 mm Turning Length Z1 Min.: 1,500 mm Swinging Diameter: 610 mm Turning Diameter over Cross Slide: 580 mm Center Distance Approx.: 2,000 mm Tool Holders: BT50 Driven Tool Holders BT50 = 40 – 3000 rpm ATC Magazine 72 BT50 For Turning: ≈ 36 Driven Tool Holders: ≈ 36 Lower Turret V8: X2 = 200 mm Z2 = 1,045 mm Turning Diameter Max.: 380 mm Turning Length Z2 = 1,045 mm Swinging Diameter = 380 mm Tool Holders: VDI40 Turret: 8 positions VDI40 Spindle: Speed Range: 14 – 2800 rpm at 37 kW Chuck: D400mm Spindle Bore: 110 mm Spindle Nose: A2-11 Torque Approx.: 2,000 Nm Coolant System with 40 bar pressure New Screen New Panel Multiple BT50 Tool Holders Weight Approx.: 20 tons Space Required L/W/H: 8,000 x 3,500 x 3,500 mm 28926

Condition: used, Year of construction: 1964, Technical details: shaft diameter: max. 120 mm work piece - max.: 800 mm height of profile: Tiefe: max. 90 mm grinding spindle speed: nicht bekannt U/min Table dimensions: Ø 150 mm voltage: 380 V total power requirement: 1,1 kW weight of the machine ca.: 0,675 t dimension machine xH: 0,75 x 0,70 x 2,0 m Application: vertical internal cylindrical grinding of shafts face, and center grinding with shaft grinder. Spindle head technical details: -equipment shank grinder Ø 13mm 60°; clamping element Ø 6mm shank clamping head. -travel=vertical 950mm by handwheel and transversal 80mm by crank handle Bdedpfx Aeu Ngr Djl Ash -abrasive device with diamond, adjustment crosswise= 80mm. Table other specifications: -with fixed tip holder 60°. -speed 63 / 125 rpm. -adjustment vertical 600mm, in height 1.100mm, operation manual. centering block: -prismatic guide accessories: -fixed tip L=180mm -fixed tip L=300mm -div. shank grinder -div. clamping and auxiliary tools *

Condition: used, Year of construction: 1993, Technical details: x-travel: 400 mm y-travel: 300 mm z-travel: 400 mm spindle revolutions per minute : 8000 U/min control: Fanuc OM clamping table: 500x300 mm magazine slots: 16 Stück tool taper: SK40 distance work spindle /surface of the table max.: 50-450 mm numbers of pallets: 2 Stück/part total power requirement: 10 kW weight of the machine ca.: 2,5 t dimension machine xH: 2,4x1,8x2,5 m transport measurements machine: 2,45x1,8x2,5 m - E-cabinet - cooling device - chip conveyor manufacturer META (conveying height 1500mm; width 200mm) Bdjdpfx Alju Idn He Aeh *

Condition: used, Year of construction: 1999, Technical details: x-travel: 690 mm y-travel: 400 mm z-travel: 550 mm B-axis (table): 360° mm control: Siemens 840 D number of spindle speeds: max. 15 000 U/min tool clamping: System nach DIN 69893 tool taper: HSK-A63 tool changer magazine: chain magazine: 12 places Stück traversing speed: x/y/z Axis: 40 total power requirement: 195 kW weight of the machine ca.: 13,0 t Bedpfxju Idl Sj Al Aodh Traveling Column Milling Machine - the tool changing unit consist of 3 -NC axis and 1 NC- rotary table axis - ATC ( with magazine) - rotary table Type SKH-NC 4/029, diameter=460mm , table surface plate Ø 500 x20mm, revolution per minute max. 22 rpm - control panel SIEMENS - Spindel-Typ: DRF-WE-255-N-W-15-30, 15000 U/min., Spindelleistung = 30 kW - chip conveyor Make Knoll type 400K-3/280, ejection height 1150mm - cooling system for spindle make SCHIMBKE Type DK 80V, 3,36 kW i.D. *

Condition: used, Year of construction: 2007, Technical details: x-travel: 1000 mm y-travel: 1000 mm z-travel: 500 mm B-axis (table): 360 ° spindle taper: HSK A63 working spindle range of revolution per minute : 15000 U/min rotary table: 260 mm control: Andronic 2060PKM feed: 1 - 5000 mm/min rapid traverse X,Y: 15 m/min. rapid traverse Z-axis: 12 m/min Bdedpeu Idm Nofx Al Ash total power requirement: ca. 42 kW weight of the machine ca.: 6,0 t dimensions electric cabinet LxWxH: 2,4x0,6x2,2 m dimension machine xH: 3,5x2,4x3,2 m 5-axis BAZ in parallel kinematics suitable for prototypes. i.D. *

Condition: excellent (used), Lead/Pull spindle lathe Manufacturer: Dalian Inv. No. 3857 Type: CDS 6232 Year of manufacture: 2008 Bodpfxjzrvn Ej Al Aedh * Distance between centers: 750 mm * Center height: 170 mm * Swing over bed: 340 mm * Spindle speed: 59 - 2100 rpm * Spindle bore: 52 mm * 2-axis digital display SINO * 3-jaw chuck * Coolant system Machine weight: approx. 1450 kg

Condition: excellent (used), Year of construction: 2021, Great opportunity to buy an outstanding universal turning center (milling and turning) including automation with the Robo2Go: a flexible workpiece loading and unloading system with a six-axis-industrial-robot. The CLX 450 TC was built in 2021 and first used for actual production in 2022. About 9300 operating hours and only 3800 spindle hours. The Robo2Go was built in 2018, but is actually 'like new', because it was barely used. CNC control Celos X with SIEMENS Sinumerik One Max. turning diameter 400 mm Turning length 1100 mm Bar capacity max. 65 mm X-axis travel 276 mm Z1-axis travel 755 mm Z3-axis travel 775 mm Y-axis travel +/- 100 mm B-axis travel +/- 120° Tool holder HSK-T 63 Tool changer 60 positions Additional 1,000L coolant tank with programmable pressure 80-bar through-spindle cooling 60-tool tool changer Safety fence around robot Bjdpfx Aez Eg H Ajl Ajdh Please check the full technical specifications and options in the attached documents. Optional: Large set of HSK-63 toolholders (without the inserted tools) The machine can be viewed in operation upon appointment. More pictures and videos available on request.

Condition: ready for operation (used), Year of construction: 2011, machine/vehicle number: 56.604, functionality: fully functional, No minimum price – guaranteed sale to the highest bidder! MACHINE DETAILS Supply voltage: 400 V AC Rated current: 29 A Number of phases: 3 Power: 17.1 kW Frequency: 50 Hz Bdsdpozzbcysfx Al Aeh Short-circuit interrupting capacity: 10 kA RMS symmetrical EQUIPMENT Drilling tool Saw unit Vacuum pump Tools

Condition: excellent (used), Year of construction: 2015, Equipment: chip conveyor, documentation/manual, DMG ECOMILL 1035V machining center Year: 2015 In good condition Spindle bearing issue Bedpsz Ehuhefx Al Aodh

Condition: good (used), Year of construction: 2007, operating hours: 14,000 h, functionality: fully functional, travel distance X-axis: 2,300 mm, travel distance Y-axis: 800 mm, travel distance Z-axis: 600 mm, controller manufacturer: Heidenhain 530, controller model: Heidenhain ITNC 530, rotational speed (min.): 8,000 rpm, spindle speed (min.): 8,000 rpm, coolant supply: 20 bar, number of spindles: 1, input voltage: 29 V, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, Hedelius C80, used, fully operational. The machine has always been maintained by Hedelius over the years to keep it up to standard. (New spindle, new guides, etc. – invoices and documentation available) Spindle hours: 14,000 h 3-axis machining Coolant filtration system Pendulum operation, mountable partition available Heidenhain 530 ICS 20 bar (internal cooling) Bsdpfoy Rmv Hjx Al Ajdh Handwheel Measuring probe SK 40 Tool changer Total weight: 15 t, Transport dimensions approx. 6500x3000x3000 mm

Condition: good (used), Year of construction: 2008, functionality: fully functional, travel distance X-axis: 1,000 mm, travel distance Y-axis: 900 mm, travel distance Z-axis: 810 mm, spindle speed (max.): 6,000 rpm, number of spindles: 1, number of slots in tool magazine: 150, Used Okuma MA-600HB Horizontal Machining Center Year: 2008 Spindle cooling Max. 6000 rpm Z- 810 mm X- 1000 mm Y- 900 mm Tool magazine for 150 tools 1 spindle 4 axes 10-pallet system We have 2 units available. Price is per unit, ex location. Bedoyrf I Aspfx Al Aedh

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 Bodpfxezdk Evj Al Aedh 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 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: excellent (used), Year of construction: 2018, operating hours: 4,883 h, CN DMG MORI SLIM line Multi Touch Control 19” (operates on Siemens) Spindle hours: 4883 hours 2770 x 2750 x H2935 mm, footprint 4850 x 6100 mm Bdsdpoz H I Nnefx Al Ajh Weight: 5830 kg Spindle speed: 12000 rpm X-axis: 1100 mm, Y-axis: –560 mm, Z-axis: –510 mm Table: 1400 x 560 mm Rapid traverse: 30 m/min Spindle power: 13/9 kW 30-position tool changer with dual arm Chip conveyor Washing gun Through-spindle coolant Chip conveyor Electronic handwheel Renishaw tool probe and workpiece probe

Condition: good (used), Year of construction: 2009, Ref. -No.: 10026 Manufacturer: SCHIESS Type: VMG4 MA90 Year of construction: 2009 Type of control: CNC-Steuerung Control: Siemens Sinumerik 840 D Storage location: Halberstadt Country of origin: Deutschland Turning Diameter: 5000 mm Turning Diameter Over Bed: 4000 mm Spindle Speeds: 0 - 120 RPM Clamping Diameter: 4000 mm Cross Travel: 420 x 340 mm Max workpiece height: 3000 mm Main Drive: 52 kW Max. Tension: 120000 N Max. Payload: 50 t Power Capacity - Table: 110 kW Max torque faceplate: 100 kNm Further information: Automatic tool changer with 80 positions (AAC) Automatic attachment changer for 6 milling heads Live spindle C-axis table Travel of the Y-axis gantry columns Drilling and milling head (master head principle) Straight drilling and milling head GB-1B Renishaw RBP 60 touch probe Hand terminal Teleservice Internal and external coolant Operator cabin Chip conveyor SADDLE (X-AXIS): Horizontal movement from the center to the right side 4,800 mm Horizontal movement from the center to the left side 3,100 mm Vertical distance between the saddle rails 1,400 mm Speed / range 0 - 16,000 mm / min GANTRY TRAVEL (Y-AXIS): Gantry stroke 5,000 mm Feed 0 - 16,000 mm / min RAM (Z-AXIS): Maximum cutting force when turning 60 Kn Enter minimum bore 550 mm Guide length 1,600 mm Speed / feed range 0 - 16,000 mm/min Spindle speeds: Range 1 rpm Range 2 0 - 1,100 - 3,150 rpm Spindle torque: Range 1 2,400 - 2,400 - 850 Nm Bdjdozx Nw Tjpfx Al Ajh Range 2 450 - 450 - 160 kNm

Condition: ready for operation (used), Year of construction: 1990, L & Z Lathe AFM TUG 40 Type TUG 40 Year of manufacture 1990 Center height 200 mm Diameter over slide 280 mm Bdsdpoz Hu Dfjfx Al Aeh Turning length 1500 mm Drive power 5.5 kW Spindle speeds 18 - 1600 rpm Spindle bore 52 mm Chuck, Lynette, steel tool holder Multifix with inserts Price: Euro 2,250.00 plus VAT, ex works.

Condition: good (used), Year of construction: 2014, functionality: fully functional, SYNCROMILL C21-63 OPERATING RANGES Table 1600 mm X 800 mm Travel (X/Y/Z): 700 / 1,000 / 800 mm FEED AXES Speed (X/Y/Z): 75 / 75 / 105 m/min Acceleration (X/Y/Z): 11 / 11 / 17 m/s² MACHINING SPINDLES No. of spindles: 2 Spindle spacing: 700 mm Power S1/100%: 26 kW Torque S1/100%: 60 Nm Power S6/40%: 35 kW Torque S6/40%: 80 Nm Max. speed: 17,500 Rpm TOOL INTERFACE HSK 63 TOOL MAGAZINE Chip-to-chip time (VDI 2852): 2.9 s Tool positions: 56 Tools atc Tool length: 530 mm Weight: 9 kg Diameter with fully occupied magazine: 85 mm Diameter with empty positions: 175 mm CONTROLLER / INSTALLATION Siemens 840D SL A-axis: ±180° B-axis: 360° Cooling Blum Touch Probe Rotary table 350 MM Xtra Spindle for heavy works Input power: 95 kVA Installation dimensions (L/W/H): 4.6 / 3.4 / 3.2 m Weight: 25,000 kg Additional Equipment Included: 1 x Rotary Table for advanced multi-axis machining 1 x Touch Probe for precise measurement and quality control Bdodjvxpuiopfx Al Aoh 1 x Extra Spindle (ready-to-install for maximum uptime) Ready For Delivery. Increased productivity with two spindles operating simultaneously High flexibility for complex parts and multi-side machining Equipped with additional accessories to maximize machine versatility and reduce downtime

Condition: used, Year of construction: 2009, Automatic central lubrication Milling unit 7833 2-stage, 11 kW power 1000 - 24000 rpm 1 double drilling spindle in X-direction 1 integrated sawing unit for sawing / grooving in X-direction, traveling Tool changer 7892, 16-way Linear Pick-up changer, permanently installed on the right-hand side of the machine Laser pointer consisting of 2 laser pointers for positioning the vacuum suction cups or tracing the workpiece contour Automatic console - suction cup positioning 6 consoles including 3 suction cup holders per console including 1 vacuum suction cup 80x80 mm per suction cup holder including 4 feeding aids Additional processing fields at the front for 6 consoles Basic unit pneumatics for frame clamping system 7974 (6 consoles) 2D barcode scanner Video camera in the processing head Vacuum pump 140 m³/h Vario tool Change changing unit package consisting of Consists of: Vector axis 7899 (C-axis), fully interpolating, 0-360° continuously rotatable, including pneumatic tool changer 7890, single-slot magazine pick-up system, permanently installed in front of the machine frame on the left. Tool changer 7894, 6-slot pick-up magazine specifically for Vario Tool Change tool holders, permanently installed in the machine frame on the left, can be equipped with a Vario Grip KSJ F 40 collet chuck, 3 Vario Grip KSJ F 40 tool holders (for 2-20 mm ER32 collets), 1 saw blade holder, 3 collets according to customer selection, 1 carbide circular saw blade, max. 220 mm diameter. Bdodpfx Asvvi Spol Ash Storage location: Nattheim

Condition: used, Year of construction: 2005, Working area: X=2970 mm / Y=1725 mm Axis travel speeds: X=60 Y=45 Z=25 m/min Weight: 3200 kg Storage location: Nattheim Bsdew Dcccopfx Al Aedh