Wika Senzor Tlaka 0 - 600 Barov nakup rabljenega (92.686)

Stanje: rabljeno, Drive motor 37 kW (can be upgraded to a maximum of 75 kW) Rotor diameter 500 mm Bljdpszmc S Tofx Altsk Width 600 mm 5 knives, inclined cut Housing can be opened, with 2 stator knives Infeed opening 500 x 600 mm

Stanje: rabljeno, Rezalni mlin Proizvajalec: CONDUX Tip: CS 300/600-4 Rotor s premerom 300 mm x širina 600 mm Blsdpfxszmc S Hj Altsk 3 rotorski noži, odprt rotor Ohišje s 4 statorskimi noži Z pogonskim motorjem 30 kW

Stanje: zelo dobro (rabljeno), Leto izdelave: 2015, Funkcionalnost: popolnoma funkcionalen, Širokopasovni brusilni stroj SCM Sandya S600 RCS 110 | ODLIČNO stanje | Leto izdelave 2015 Naprodaj je visokokakovosten širokopasovni brusilni stroj proizvajalca SCM (Sandya S600 RCS 110) v zelo dobrem stanju. Stroj je popolnoma funkcionalen in takoj pripravljen za uporabo. Delovna širina: 1.100 mm Delovna višina: 4–170 mm Glavni motor: 15 kW Hitrost traku: 3–16 m/s Hitrost podajanja: 3–18 m/min Dolžina traku: 2.150 mm Jekleni kalibracijski valj R (Ø 140 mm) Kombinirana enota CS: Gumijasti valj (Ø 160 mm, 30 Sh) Elektronski segmentni brusilni čevelj (širina segmenta 30 mm) Leto izdelave: 2015 Zelo lepo ohranjeno, tehnično brezhibno Bljdpfoy Hn U Aox Altsk Vse informacije brez garancije. Tehnični podatki po navedbah proizvajalca oz. prejšnjega lastnika. Pridržujemo si pravico do napak, sprememb in vmesne prodaje. Brez jamstva ali garancije.

Stanje: rabljeno, Leto izdelave: 1984, Premer valja: 600 mm Širina lista: 25 x 6/10 mm Maks. višina reza: 295 mm Širina reza: 580 mm Višina mize: 940 mm Velikost mize: 860 x 600 mm Maks. dolžina lista: 4580 mm Stranski nosilec: levo Vodilo traku zgoraj in spodaj Miza nagibna s paralelnim prislonom Motor: 2,2 kW Priključek za odsesavanje DM: 100 mm Dimenzije: 1210 x 750 x 2077 mm Teža: cca 350 kg Lokacija skladišča: Dobavitelj Bjdpfezb N Tuex Altjlk

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2002, Funkcionalnost: popolnoma funkcionalen, potovalna razdalja osi X: 600 mm, pomik osi Y: 500 mm, pomik po osi Z: 540 mm, proizvajalec krmilnikov: Heidenhain, model krmilnika: TNC 426, širina mize: 500 mm, dolžina mize: 700 mm, skupna masa: 4.800 kg, delovne ure vretena: 8.471 h, nos vretena: BT40, število vreten: 1, število mest v zalogovniku orodij: 24, Oprema: transportni trak za ostružke, Stroj je bil prevzet iz proizvodnje in ga lahko ogledate v naših prostorih, kjer tudi deluje! Blsdpfx Aozrd Umeltek Dodatna oprema: Električno upravljano ročno kolo Renishaw TS 27R, senzor za orodja. Teža in mere: Približno 4.800 kg.

Stanje: rabljeno, Funkcionalnost: popolnoma funkcionalen, Leto izdelave: 2019, obratovalne ure: 4.512 h, nosilnost: 2.000 kg, dvižna višina: 4.250 mm, vrsta goriva: plin, tip droga: simpleks, gradbena višina: 2.777 mm, vrsta pogona: Treibgas, Viličar na plin Razred ISO: Razred ISO 2 = 1.000 – 2.500 kg Tip dvigala: standardni Stanje: pripravljen za uporabo in v celoti deluje Tehnično stanje: dobro Stranski premik, 3. ventil, 4. ventil, grelec, zaprta kabina, klimatska naprava. Bjdpfxozri H Is Altelk

Stanje: novo, Leto izdelave: 2026, Funkcionalnost: popolnoma funkcionalen, Rustikalni stroj za lesene izdelke kot so deske, profili, tramovi in talne deske, z maksimalno širino 60 cm in višino 30 cm. Opremljen z integrirano motor-gred enoto s premerom 45 mm za zagotovitev maksimalne togosti ter dinamično uravnoteženimi ščetkami za visoke hitrosti za delo brez vibracij. Stroj je sestavljen iz dveh neodvisnih ščetkalnih skupin; prva skupina (jeklena ščetka) je namenjena grobi obdelavi, druga (ščetka iz silicijevega karbida) pa fini obdelavi. Stopnjo rustikalnosti je mogoče nastaviti z določanjem globine obdelave. Bodpsh Auu Asfx Altjlk

Stanje: zelo dobro (rabljeno), KATALOGSKA ŠTEVILKA 7904 Tehnični podatki: - maks. višina reza 160 mm - maks. širina elementa 700 mm - delovna širina vretena z žagami 600 mm - premer vretena 70 mm - maks. premer žage 450 mm - od zgoraj: - zadrževalni zobci - 2 pogonski zobati vretena - pritisk s kovinskim drsnim valjem - od spodaj: - drsni valj - zadrževalni zobci - pogonsko zobato vreteno - vreteno z žagami - gladko pogonsko vreteno - kovinski drsni valj - brezstopenjska nastavitev hitrosti pomika - motor pomika 1,5 kW - glavni motor 55 kW - skupne mere dolžina/širina/višina 1700x1400x1900 mm - teža cca 2740 kg PREDNOSTI – izdelano na Poljskem Bledszh Ib Nepfx Altek – robustna konstrukcija – rabljeni stroj, zelo dobro ohranjen Neto cena: 56.900 PLN Neto cena: 13.550 EUR Neto cena preračunana po tečaju 4,2 PLN/EUR (pri večjih nihanjih tečaja se cena lahko spremeni)

Stanje: rabljeno, številka stroja/vozila: 22031, Vertical baling press / Pöttinger MP 600 A Vertical Waste Baling Press Bodpfx Aeiiv S Ssltelk Serial No. 5110176 Filling height / Loading height max. 1070 mm Filling opening: 700 x 500 mm Pressing chamber: 700 x 500 x 900 mm Bale size / Bale format max. 700 x 500 x 500 mm Bale weight: 40 – 80 kg Number of straps (vertical strapping): 2 Online video inspection via Skype video. We would be pleased to welcome your visit – more machines in stock. Available immediately – can be inspected. Stock location: Emskirchen / Nuremberg – test run possible.

Stanje: rabljeno, številka stroja/vozila: 13557, Leto izdelave: 2005, Manual hand stacker Carl Stahl FL 600 Year of manufacture: 2000 Serial No.: 13557 - Maximum load capacity: 600 kg - Own weight: 210 kg Bledeiw Em Depfx Altjk - Maximum lift height: 1,600 mm - Fork length: 1,150 mm - Load center: 600 mm Online video inspection via Skype video available. We would be pleased to welcome your visit – more machines in stock. Available immediately – inspections possible. Located in Emskirchen / Nuremberg – test run possible.

Stanje: rabljeno, Leto izdelave: 1981, številka stroja/vozila: 5171754, Pallet Lifter / Pile Hoist - Stack Lift Polar Mohr HL 600 Year: 1981 - Serial No.: 5171754 Maximum Format / Size: 1100 x 800 mm Maximum Loading Capacity: 600 kg Maximum Lifting Height: 1000 mm Equipped with light barrier for automatic lifting of cut material (paper) Bedoh Ax T Tjpfx Altslk Online video inspection via Skype possible We would be pleased to welcome you for an inspection – more machines available in stock Available immediately – can be inspected In stock in Emskirchen / Nuremberg – test run possible

Stanje: rabljeno, Leto izdelave: 2008, Funkcionalnost: popolnoma funkcionalen, Varilni stroj z eno glavo Blodszpyfcopfx Altek

Stanje: zelo dobro (rabljeno), Leto izdelave: 2012, Funkcionalnost: popolnoma funkcionalen, Stroj za obdelavo s orodjem Kunzmann WF 600 CNC s krmilnikom Heidenhain iTNC 530, v skladu s standardi CE!! Tehnični podatki: >> Letnik 2012, številka stroja 610149 >> Statična vrtljiva miza >> Število vrtljajev do 5000 vrt/min >> Nastavljiva hitrost podajanja v 3 osi od 0 do 2000 mm/min >> Gibi v osi X/Y/Z: 600/400/400 mm >> Površina mize: 800 x 425 mm >> Nosilnost mize: 250 kg >> Navpični hod vretena: 60 mm Bodpfx Alszl D Itetolk >> Navpično in vodoravno vreteno – SK40 >> Hidravlični sistem vpenjanja >> Teža približno 2200 kg >> Potrebna površina: približno 2,4 x 2,2 x 2,1 m >> Moč 18 kVA Dodatna oprema in izvedba: >> Krmilnik Heidenhain iTNC 530 >> Hidravlično vpenjalo, navpično in vodoravno >> Samodejno centralno mazanje >> Zavora vretena >> Tehnična dokumentacija, načrti rezervnih delov, navodila za uporabo in primeri programiranja >> Sistem za hlajenje >> Kabina >> Podstavki stroja O stroju: Ponujamo stroj za obdelavo s orodjem Kunzmann WF600 CNC s krmilnikom Heidenhain iTNC 530. Ta univerzalni stroj za obdelavo je v odličnem stanju. Krmilnik je zelo enostaven za uporabo. Stroj ima poleg tega navpično in vodoravno hidravlično vpenjalo. Prehod iz navpične v vodoravno konfiguracijo je zelo enostaven, saj se navpična glava preprosto odklopi. Vodila se redno podmazujejo s centralnim sistemom mazanja. Stroj Kunzmann je bil pri nas mehansko in električno pregledan. Izkoristite priložnost in si stroj Kunzmann oglejte in preizkusite na licu mesta.

Stanje: zelo dobro (rabljeno), Funkcionalnost: popolnoma funkcionalen, Popoln okvir za žago za EWD Esterer Gatter. Bedpfx Alozn Uv Hjtelk Tip HDN 600 ali HDS 600 z nastavljivo širino. Vključno z dvojnim napenjalnikom verige Jansen. Uporabljen le nekajkrat. Idealno za zalogo rezervnih delov.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2017, Funkcionalnost: popolnoma funkcionalen, Haasov strgalni transporter v odličnem stanju. Opremljen z 2 loka. Glejte skico v priloženi datoteki PDF. Širina notranjosti posode: 600 mm. Bodpfx Alszn N Udetelk Pogonski sistem: motor z menjalnikom, moč 4,0 kW.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2017, Funkcionalnost: popolnoma funkcionalen, Haasovo strgalo s verigo v odličnem stanju. Opremljeno z dvema lokoma. Glejte skico v datoteki PDF. Bjdpfozn N Tysx Altjlk Notranja širina posode: 600 mm. Pogon zagotavlja motor z menjalnikom z močjo 4,0 kW.

Stanje: zelo dobro (rabljeno), Leto izdelave: 1988, celoten sistem z transportnim tekočim trakom. Blodpfx Aozk Rmaoltsk

Stanje: rabljeno, številka stroja/vozila: 007307, Max. working width: 3200 mm Bodpfx Aouaq D Asltjlk Max. working thickness: 60 mm

Stanje: skoraj kot novo (rabljeno), Funkcionalnost: popolnoma funkcionalen, Leto izdelave: 2017, obratovalne ure: 1.686 h, nosilnost: 2.500 kg, dvižna višina: 5.180 mm, prosto dvigovanje: 1.760 mm, težišče tovora: 600 mm, vrsta goriva: električni, tip droga: triplex, gradbena višina: 2.380 mm, kapaciteta baterije: 620 Ah, preostala kapaciteta baterije: 92 odstotek, napetost baterije: 80 V, Certificirano po DGUV do: 07/2027, dolžina vilic: 1.200 mm, Oprema: CE označba, UVV varnostni pregled, bočni pomik, kabina, osvetlitev, popolna servisna zgodovina, Električni viličar STILL RX 60-25/600 s naslednjimi podatki: * Delovne ure: 1.680 * Nosilnost: 2.500 kg * Višina dviga: 5.180 mm * Višina vozila: 2.380 mm * Letnik: 2017 STILL 2,5-tonsni električni viličar s popolno kabino in gretjem, baterija 92 %, brez sledi na pnevmatikah, trojni jamb z vsem prostim dvigom, stranski pomik, osvetlitev v skladu s StVZO, dolžina vilic 1.200 mm (na zahtevo možna druga dolžina vilic), nova polnilna naprava. Vključno s 1.000 urami vzdrževanja v skladu s predpisi proizvajalca STILL in veljavnim pregledom UVV ob prodaji. Ogled, demonstracija in testna vožnja po dogovoru. Prodaja je možna samo poslovnim subjektom. Pridržujemo si pravico do sprememb, napak in tipkarskih napak. Novi viličar vam ga lahko dostavimo stroškovno ugodno z našim lastnim priklopnikom (stroški transporta na zahtevo). Dodatne informacije o nas in druge ponudbe najdete na naši spletni strani. Bledpfxozfxzzs Altjk

Stanje: skoraj kot novo (rabljeno), Leto izdelave: 1970, višina struženja: 4.000 mm, teža obdelovanca (maks.): 100.000 kg, premer struženja: 17.000 mm, premer čelne plošče: 5.000 mm, Univerzalni stroj 5 osi (struženje, rezkanje) Froriep 40KE 500/600-400 Spheromill Leto izdelave: 1970 (posodobljen 1984 in 2006) Krmiljenje: Siemens 840D Dolžina rezkanja: 8.500 mm Največja delovna višina: 4.000 mm Največji premer struženja: 17.000 mm Premer mize: 5.000 mm Nastavitev ramena: od -15 do +90 stopinj Največja hitrost mize: 40 obr/min (100 kW) Največja delovna obremenitev: 100 ton Dodatna oprema: Rezkalna glava (800 obr/min / 60 kW) Bsdeym Ri Uspfx Altjlk Univerzalna rezkalna glava (630 obr/min) Ravni suport za premer do max. 1.000 mm Brusilna oprema 90-stopinjska kotna glava (630 obr/min) 90-stopinjska kotna glava (450 obr/min) – mala

Stanje: rabljeno, Leto izdelave: 1991, Workpiece diameter: 30 mm Thread length: 110 mm Thread pitch: 0.5–2.75 mm/lead Total power requirement: 4.5 kW Machine weight: approx. 1.7 t Space requirement: approx. m MONNIER & ZAHNER Switzerland Thread Whirling Machine with Workpiece Loading Device Type MZ 600, Year of manufacture approx. 1991, #3591 Max. workpiece diameter: approx. 30 mm Max. workpiece length: approx. 110 mm Axial milling length: approx. 100 mm Module in steel: approx. 1 Starts: 1 Minimum/maximum centre distance tool–workpiece: 0 - 70 mm Blsdpet Hwzcofx Altek Whirling head swiveling: +/-12° Tool size approx.: 70 x 16 mm Whirling head speeds approx.: 1,000–6,000 rpm Pitch range approx.: 0.5–2.75 mm/lead Whirling head drive: approx. 1.5 kW Total drive approx.: 4.5 kW – 220 V/380 V / 50 Hz Weight: approx. 1,700 kg Accessories / Special Equipment: Machine designed for the production of medical screws. Equipped with an automatic workpiece feeder via a Rübenach vibratory bowl with pneumatic swing gripper for insertion of blanks, as well as with counter-center (inserter) and ejector in the workpiece spindle head. Pneumatic workpiece clamping device in the workpiece spindle head. The finished parts are ejected and fall into a collection container. The tool slide is designed as both a longitudinal and a cross slide; the longitudinal slide determines the thread length and pitch via the leadscrew, and the cross slide determines the thread depth. Copying device at the end of the cross slide with template holder for conical screws. Pitch gearbox in the workpiece spindle stock via change gears. Simple electric program control with display of motion sequence. Fault indicator, workpiece counter, oil mist extraction, coolant system, etc.

Stanje: zelo dobro (rabljeno), Leto izdelave: 1972, Total power requirement 22 kW Machine weight approx. 8 t O F F E R We can offer you, subject to prior sale and error, without obligation, ex stock: DISKUS Vertical double-sided surface grinding machine in C-frame design with rotary workpiece infeed and dressing automation Model DDS 600 RAM Year of manufacture 1972 / modernized in 2002 # 6967 _____ Grinding wheels - Ø each 600 mm Grinding wheel bore / height approx. 75 / 150 mm Grinding wheel speed Upper grinding wheel 95 - 955 rpm (3-30 m/s) Lower grinding wheel 765 rpm (24 m/s) Grinding spindle drive per wheel 22 kW Workpiece: Grinding width (or workpiece diameter) 20 – 120 mm Grinding height (workpiece height) 50 mm Infeed increments 0.0025 - 0.05 mm Total infeed travel 150 mm Outer Ø / pitch circle of transport disc approx. 810 / 750 mm Rotary table feed speed infinitely adjustable 25 – 241 mm/s Total connected load approx. 50 kW / 380 V / 50 Hz Weight approx. 8,000 kg Accessories / Special features • IONIC measuring control system, model 17 A, renewed in 2002, with display and direct input of grinding parameters, including piece counter, tolerance counter, limit value monitoring, and statistics generation. Workpiece tolerances are continuously measured via probe heads, enabling hydraulic adjustment of the grinding heads as preset via the control system. Bsdpoxqrbxjfx Altolk • Automatic post-grinding workpiece thickness measurement and mechanical pre-infeed height check to prevent grinding wheel crash. • Automatic hydraulic dressing unit between the two grinding wheels for simultaneous dressing as per preset dressing cycle (number of workpieces/time), including hydraulic return of the upper grinding slide to the preset grinding position/size. • Rotary workpiece transport unit with transport disc (Ø 810 mm) and continuously variable speed control. • Hydraulic grinding wheel infeed via jog mode. • ELBARON oil mist extraction with stand and adjustable extraction cone. • Walk-on perimeter platform for easy operation and monitoring of the system. • Grinding wheel change rack, various grinding wheels included. • Central lubrication system, separate control cabinet, separate hydraulic unit. This machine is particularly suitable for simultaneous double-sided precision grinding of workpieces in high-volume production. Typical applications: shims, piston rings, hydraulic parts, clock components, stamped parts, etc. Condition: Good to very good condition! Please click here for a video of the machine: Delivery: ex stock, immediately available, FCA Metzingen Payment: strictly net - due upon receipt of invoice

Stanje: rabljeno, Leto izdelave: 1990, x-travel 400 mm y-travel 330 mm z-travel 350 mm Total power requirement 6.3 kW Machine weight approx. 2 t Space requirement approx. 7.36 m² O F F E R We can offer you, subject to prior sale and errors, ex-stock on a non-binding basis: H E R M L E CNC-controlled Universal Tool Milling Machine with 4th axis Model UWF 600 CNC ( HDH TNC 355 ) Year of manufacture 1990 # 8637 Table travels: longitudinal X 400 mm vertical Z 350 mm Cross travel Y 330 mm Table size 630 x 335 mm Spindle taper SK 40 Spindle speeds in 3 ranges Vertical / Horizontal 40 – 6,000 rpm Quill stroke Vertical 63 mm Feeds, infinitely variable 1 – 2,000 mm/min Feed force 4,800 N Rapid traverse 5,000 mm/min Spindle drive 3.5 kW Total connected load 6.3 kW - 380 V - 50 Hz Weight 2,000 kg Bjdpfxjt Hxbwj Altolk Accessories / Special equipment • HEIDENHAIN 4-axis contour control Type TNC 355 with graphics and various subprograms, mobile electronic handwheel • Fixed angular table installed, fitted with CNC dividing head by HOFMANN with RÖHM three-jaw chuck 160 mm dia., center height approx. 125 mm, possibly also tiltable. Resolution 0.001° (dividing head can also be removed!) • Vertical head easily swivels away for use of the horizontal spindle • Hydraulic tool clamping in the V-spindle, 5 various arbor holders • Free-standing control cabinet, free-standing coolant facility • Central lubrication, ampere meter, etc. An ideal machine for toolmaking and electrode production Condition: good – ready for demonstration, HDH control computer was replaced Delivery: ex-stock – as inspected Payment: strictly net – upon receipt of invoice Further conventional and CNC milling machines by DECKEL, MAHO, MIKRON or HERMLE as well as other renowned manufacturers available from stock! Please contact us.

Stanje: rabljeno, Leto izdelave: 1990, Press force 3 t Outreach 0 mm Stroke 200 mm Total power requirement 15 kW Machine weight approx. 4 t Space requirement approx. m JENNY - Switzerland, Automatic Double-Column Straightening Press Type RZ - 205 / 3 - 600, Year of manufacture 1990, Serial No. 86 596 _____ Press force of upper ram 3 t Ram stroke approx. 200 mm Max. installation height 500 mm Max. clamping length of workpiece 600 mm Bledpfjt Hw Amjx Altjk Height of center above table approx. 210 mm Ram feed rate down 0.17 mm/sec Ram feed rate up 0.02 - 0.17 mm/sec Pump drive 15 kW Total drive power approx. 20 kW - 380 V - 50 Hz Weight approx. 4,000 kg Accessories / Special Equipment: Machine without automatic workpiece feed, the parts (wave-shaped) are manually loaded; a Plexiglas sliding hood is located in front of the work area, manually operated. Currently equipped with 1 straightening punch and 4 pneumatic measuring stations; however, connection options are available for up to 7 measuring stations. These are longitudinally adjustable along the lower press table over a range of approx. 500 mm; the straightening punch is adjustable on the upper ram in a prism guide. 2 tailstocks on the press table, adjustable for a max. clamping length of 600 mm; the left side is motor-driven and equipped with a clamping quill, the right side with a dividing disc. Workpiece rotation via stepper motor from 10 to 100 rpm. 2 workpiece supports (prisms) on left and right for placing the workpiece. The workpiece is measured at pre-determined positions and straightened accordingly; the straightening process is monitored and controlled with the measurement device. Stroke control for pre-set ram stroke. Left tailstock powered. Original JENNY sequence controller (FMS) in a separate switch cabinet with monitor and keyboard for parameter input.

Stanje: rabljeno, Leto izdelave: 1969, Grinding height: 60 mm Grinding width: 120 mm Grinding wheel diameter: 600 mm Grinding length: [mm not specified] Workpiece height: 60 mm Total power requirement: 50 kW Machine weight: approx. 7,000 kg Space requirement: [not specified] Bjdpfxjt Hw N Hs Altjlk DISKUS vertical double-sided surface grinding machine in C-frame design with rotary table workpiece feed Model: DDS 600 CRA Year of manufacture: 1969 S/N: 6672 Grinding wheels – diameter x bore each: 600 x 150 mm Grinding wheel height approx.: 60 mm Workpiece transport disc external diameter: 810 mm Workpiece: Max. grinding height x grinding width: approx. 60 x 120 mm Spindle adjustment vertically, each approx.: 150 mm Hydraulic infeed impulses for depth feed: 0.0025 – 0.05 mm Outer diameter of transport disc: approx. 810 mm Rotary table feed rate steplessly adjustable: 14 – 145 mm/s Grinding wheel speed each approx. (24 m/s)/765 rpm Grinding spindle drive each: 22 kW Total drive approx.: 50 kW / 380 V / 50 Hz Machine weight: approx. 7,000 kg Accessories / Special features • Workpiece rotary table device for round transport discs with corresponding cut-outs for inserting components and with automatic discharge of finished parts onto a chute into a transport box. • IONIC measuring control No. 9 So with probe for measuring ground workpiece height and, if required, with automatic hydraulic grinding wheel infeed. • Stepless speed adjustment of the rotary device depending on the grinding dimension and workpiece. • Manual grinding wheel adjustment via corresponding buttons • Hydraulically pivoting dressing unit (RA) between both grinding wheels for simultaneous dressing of both grinding wheels with appropriate compensation and automatic return to the effective workpiece thickness after dressing = high time savings, can be triggered manually as well as via timer • Ampere counters for both grinding spindle drives * Central lubrication system, • Mechanical height check of parts with automatic machine shutdown in case of overheight • Separate control cabinet, separate hydraulic unit, separate large belt filter system, various grinding wheels, various transport discs, etc. This machine is particularly suitable for the simultaneous plane-parallel grinding of workpieces in high-volume production. For example: shims, piston rings, hydraulic components, watch parts, stamped parts, etc. Condition: good – soon ready for demonstration Delivery: ex stock – as inspected Payment: net – upon receipt of invoice