Used Hess Edge Press for sale (16,003)

Year of construction: 2026, condition: new, functionality: fully functional, Vacuum Press / Membrane Press "Columbus Infinity" (Vacuum press system for special lengths with freely definable usable area) – including digital Master Manual and AI support on tablet for a secure start and reproducible results. The COLUMBUS Infinity is a specialized vacuum pressing system for applications requiring especially long usable surfaces. The machine can be configured to the length desired by the user upon request, making it especially suitable for special laminations, long workpieces, and high-throughput series production. The defining Infinity Principle enables the usable surface to be efficiently extended in length. In combination with the rolling membrane system and multi-zone vacuum extraction, the machine offers high flexibility and precise control of vacuum application. Only the area of the surface actually in use is vacuumized, which saves energy and ensures optimal process control. Technical specifications: • Vacuum table with freely configurable length • Rolling membrane system with manually guided linear carriage • Membrane wound on a reel for easy unrolling • Patented vacuum buffer reservoir integrated in the table frame • Multi-zone extraction for targeted activation of individual working areas • Tabletop made from 21 mm birch multiplex board • Milled vacuum groove for reliable membrane sealing • Sturdy substructure made from welded steel construction • Adjustable machine feet • High-performance vacuum pump, 80 m³/h Possible usable areas: Hodpfx Asy Rkqbecbofg Width and length are defined individually according to customer requirements. COLUMBUS machines are designed for long-term industrial use and built using premium industrial components. The robust design, proven components from reputable manufacturers, and precise workmanship guarantee long service life and reliable operation. Every COLUMBUS Infinity is part of the COLUMBUS 360° System. This includes the digital Master Manual with extensive practical knowledge of vacuum technology as well as Master GPT – an artificial intelligence for all questions regarding the machine, applications, materials, and optimal process parameters. The system assists users with setup, operation, and process optimization and comes delivered with a tablet for direct use.

Condition: like new (used), Year of construction: 2025, COLUMBUS MOVE – The space-saving professional vacuum press for maximum flexibility Full performance. Minimal space requirements. The COLUMBUS MOVE was specifically developed for operations wishing to work professionally with vacuum technology—even with limited space available. Thanks to its mobile and compact design, the press can be easily stored after use, freeing up valuable workshop space. Ideal for: * Veneering * Laminating/form gluing * Coating * Curved workpieces * Flexible custom production Your benefits: * Space-saving MOVE system * Mobile and flexible use * Heavy-duty industrial construction * Lifetime guarantee on the machine structure * Premium BECKER vacuum pump * Quick-change membrane system * Connection for external vacuum bag * Simple operation and high operational safety COLUMBUS 360° included: With a practical manual, Master Manual, and AI support, you benefit not only from state-of-the-art technology but also from decades of application expertise. Technical specifications: * Usable area: 3050 x 1350 mm * Maximum payload: 1.0 t Hfjdpfjy Rkm Nsx Acbog * Maximum workpiece height: 600 mm * Vacuum pump: BECKER 40 m³ * Weight: 670 kg Particularly attractive for companies seeking flexible production while making efficient use of valuable workshop space. COLUMBUS has been developing professional vacuum technology for woodworking operations for nearly 50 years. Viewing and personal consultation gladly by appointment.

Year of construction: 2026, condition: new, COLUMBUS PIONEER – The Modular Professional Vacuum Press for Flexible Joineries More possibilities. More applications. More future security. The COLUMBUS Pioneer is not just a vacuum press, but a well-designed complete system for modern joineries and woodworking businesses. Ideal for: * Veneering * Form bending * Laminating * Thermoforming * Solid surface materials * Curved and complex workpieces Why choose COLUMBUS? Many businesses discover completely new uses and additional orders within a short time because the Pioneer makes jobs economical that were previously turned down. Your advantages: * Modular system – grows with your business * Lifetime warranty on the machine structure * Heavy-duty industrial construction for decades of use * Columbus 360° included: Practical expertise, master manual, and AI support for maximum application safety * Premium components from BECKER, FESTO and SIEMENS * Simple operation and reproducible results Equipment: * Quick-change membrane system * Highly elastic natural rubber membrane up to +130°C * Pressure regulation from 400–900 mbar * Connection for external vacuum bag * Sturdy phenolic resin worktop * Smooth-running swivel castors Available sizes: * L: 3,050 x 1,350 mm * XL: 4,050 x 1,350 mm * XXL: 4,050 x 1,700 mm COLUMBUS has been developing vacuum technology for professional users for almost 50 years. Viewing and personal consultation available by appointment. Hfedpfx Acey Rki Rsbjg

Year of construction: 2026, condition: new, functionality: fully functional, COLUMBUS PIONEER – Modular Vacuum & Membrane Press with Lifetime Guarantee The COLUMBUS Pioneer is the professional solution for joineries and woodworking shops looking to produce flexibly and invest securely for the long term. Ideal for: * Veneering * Form gluing * Laminating * Thermoforming * Solid surface materials * Curved workpieces Your benefits: * Modular system – can be expanded at any time * Lifetime guarantee on the machine frame * Robust industrial construction * Columbus 360° included: Master Manual + AI support * Premium components from BECKER, FESTO, and SIEMENS * Simple operation and high reliability Features: * Quick-change membrane system * Natural rubber membrane rated up to +130 °C * Adjustable vacuum pressure from 400–900 mbar * Connection for external vacuum bag * Sturdy phenolic resin work surface * Smooth-running swivel casters Available sizes: * L: 3,050 x 1,350 mm * XL: 4,050 x 1,350 mm * XXL: 4,050 x 1,700 mm Hodpey Rkgpjfx Acbofg COLUMBUS has been developing vacuum technology for professional users for 50 years. Viewing and consultation available by appointment.

Condition: new, Year of construction: 2025, functionality: fully functional, power: 34 kW (46.23 HP), input voltage: 380 V, Equipment: documentation/manual, Upper pressure bar Aluminum pressure bar provides excellent rigidity and extended service life. The compactly arranged rubber rollers press the workpieces to ensure slip-free transport. Panel conveyor The long, heat-treated semicircular guide rail allows perfect contact with the conveyor, without play. The conveyor is fixed to the machine body for stability of wide panels, with a maximum extension width of 600mm. Package for narrow parts Feeding package for narrow parts, ensuring the minimum edge width is 40 mm. Pre-milling unit Pre-milling with 2 diamond cutters, 43mm height. Two pneumatically controlled motors (2 x 3.7kW), intermittent edge milling of the panel. Panel pre-heating unit x2 Heats the panel edge so that the adhesive melts correctly, ideal for humid or cold areas. An infrared lamp with an operating temperature of 300°C heats the panel edge for better bonding. Edge band support x2 The large support is at an appropriate height for easy feeding and long service life. Hsdpfxsy Rlbnj Acbefg Edge cutting unit x2 Pneumatically operated guillotine with electric switch for accurate cutting of the edge band at the end. Premelting gluing unit x2 System includes an upper reservoir for optimal volume and a small lower pot that keeps the adhesive fresh. Automatic adhesive pumping + 25kg tank Adhesive is automatically pumped into the upper reservoir when the level drops below the sensor. Edge cutting unit Pneumatically operated guillotine with electrical switch for correct end-cutting of the edge band. 2 sets of pressure rollers A 100mm pre-pressing roller in coordination with four rear rollers ensures firm bonding. Lubrication system Lubrication pump for daily maintenance, lubricates the guide rail by simply actuating the lever. End trimming unit Structure with linear guide at 45 degrees, with 2 motors of 0.35kW, 12,000 rpm. 2 sets of fine finishing units with pneumatic retraction One set retracts pneumatically when changing band thickness; adjustment time is practically zero. Diamond knives R1.5. Corner rounding unit Designed for rounding the edge band on the ends and lengthwise, achieving a circular radius R. 2 sets of scraping units with pneumatic actuation Two sets with different circular radius knives (one set with R1.5, the other with R1). Extraction system Each unit has its own independent extraction outlet (125mm), totaling 6 outlets. Straight glue cleaning scraping group Removes edge band residues, followed by straight scraping to remove excess adhesive from the top and bottom surfaces. Spraying unit - cleaning agent Separation agent before pre-milling, preventing adhesive from sticking to the panel surface. 2 sets of polishing units Intended for 2 adhesive colors (dark and light) to avoid contamination. Solution for narrow pieces Allows processing of parts with the following sizes: 120x120mm (4 sides), 200x40mm (long side), 40x200mm (short side). Additional conveyor roller Solid support for large or in-line panels. PUR Device 2KG/20KG – 6500 EUR + VAT Temperature control system via touch screen and uniform heating. Polyurethane-based (PUR) adhesive technology ensures superior bonding performance.

Year of construction: 2026, condition: new, functionality: fully functional, machine/vehicle number: EP8607, Press brake punch for Trumpf Hjdpfjyzpf Esx Acbofg 86 degree H220mm gooseneck punch 42CrMo material with full body hardened and radius tip laser hardened

Condition: excellent (used), Year of construction: 2006, Dimension: 2650 x 2100 x 2100 mm Clamping Force: 635 KN Working pressure: 206 bar Piston diameter: Ø200 mm Stroke: 140 mm Daylight: 150/180 mm Heating plant dimension: 250 x 300 mm Max. mass of heating plant: 70 kg Oil reservoir: 100 l Rated power: 19.66 kW Heater capacity: 9.6 kW Vacuum motor power: 2,6 kW Between light curtain and mould area: 270 mm Stroke of vacuum cover: 140 mm The vulcanizing press from manufacturer PAN STONE, model S-V-65-2RT-PCD, was used by a renowned German company specializing in sealing technology and electromobility. This company is known for its high quality and innovation in seal production. Hjdpjy Snlxjfx Acbsfg The machine was part of a production line responsible for manufacturing high-performance seals used in various industries. It was always professionally maintained and repaired, which explains its excellent condition. This press offers you the opportunity to invest in proven technology that was utilized by a leading company in Germany.

Condition: good (used), Year of construction: 1987, functionality: fully functional, Clamping unit heating capacity, 1 heating rod / 8 heating rod: 0,48 / 0,9 kW clamping force: 2 x 500 kN heating plate dimensions: 550 x 600 mm Hjdpfx Aey Snkbecbofg piston stroke: 250 mm diameter of piston, main cylinder: 240 mm diameter of piston, locking cylinder. 39 mm locking cylinder: 260 mm Return capacity: 2 x 600 kN dimensions: 2600 x 2100 x 2100 mm weight approx.: 5 t

Condition: good (used), Year of construction: 1994, Clamping Unit: Clamping force: 7,000 kN Operating pressure: 250 bar Specific pressing pressure: 610 N/cm² Number of levels: 2 Installation height with 75 mm heating plate & 20 mm insulating plate: approx. 2x 190 mm Piston stroke: approx. 400 mm Piston 1 diameter: 543 mm Clamping force, rapid traverse: approx. 2 x 85 kN Retraction force: approx. 2 x 47 kN Operating pressure: 300 bar Piston 2 diameter: 60/40 mm Stroke: 400 mm Estimated weight: approx. 16 tonnes Hydraulic System: Pressure adjustment: 40 - 300 bar Flow rate regulation: 0 - 99 % Flow rate l/min (HD): 45 against 300 bar Drive power: 22 kW Tank dimensions (LxWxH): 1000 x 770 x 535 mm Closing Speed: Rapid traverse: approx. 40 - 50 mm/s Slow closing: approx. 0 - 20 mm/s Hodpoy Sni Refx Acbsfg Pressing speed: approx. 0 - 3 mm/s Slow opening: approx. 0 - 20 mm/s Opening, rapid traverse: approx. 0 - 60 mm/s

Condition: used, Year of construction: 2005, functionality: fully functional, Clamping force: 4900 kN Working pressure: 206 bar Heating plate dimensions: 700 x 700 mm diameter of piston: 558,8 mm max. stroke: 250 mm daylight: 300 mm max. mass of heating plant: 560 kg capacity of oil tank: 1100 l rated capacity: 82 kW heating capacity: 56 kW enginge output, vacuum motor: 4 kW Stroke of vacuum cover: 200 mm dimensions: 3975 x 2935 x 2555 mmm Equipped with a crane runway (monorail) with three chain hoists Producer: STHAL Year: 2011 Lifting capacity: 3 x 400 kg Hsdpfxoy Sniwo Acbofg Lenght of crane runway: ca. 3500 mm Rolling chassis Lifting capacity: 400 kg Lifting height: 3000 mm stroke speed - main stroke: 4 m/min stroke speed - fine stroke: 1 m/min The vulcanizing press from manufacturer PAN STONE, was used by a renowned German company specializing in sealing technology and electromobility. This company is known for its high quality and innovation in seal production. It was always professionally maintained and repaired, which explains its excellent condition. This press offers you the opportunity to invest in proven technology that was utilized by a leading company in Germany.

Condition: excellent (used), Working width ca. 2.600 mm Hjdpoyrt Abofx Acbefg Working height ca. 1.450 mm Number of cylinders 6 St. down holder 3 St. Stable hydraulic hole press, hole plate press, or gluing press for gluing or fixing workpieces such as frames, panels, windows, or doors.

Condition: excellent (used), Year of construction: 2006, sieve 6 mm engine 2x90 kW ca. 660 mm Hodpoyi Ht Iefx Acbsfg Capacity ca. 3.000 - 5.000 kg/h Number of press rollers 2 Münch RMP 660 pellet press for producing wood pellets and biomass pellets from sawdust, wood chips, and other organic waste materials. The machine is suitable for industrial pellet production with high pressing performance and consistent pellet quality. Ideal for wood processors, sawmills, and biomass companies.

Condition: used, Number of drilling agregates 1 Stk. Automatic Fitting-press in nein ja/nein Pot volume drill ja ja/nein Hfjdswvptfspfx Acbsg Electric pneumatic cup hinge drilling machine or fitting drilling machine Schafberger+Sprödhuber type BS for drilling cup hinges or fittings with mechanical centering.

Condition: used, sanding belt measurements 2.260 x 150 mm Hfodpfx Acjwffpbobjg Motor output 1,5 kW table: schwenkbar Dust suction hood 100 mm

Condition: used, length 2.800 mm width 600 mm height 1.800 mm Number of pressing cylinders 6 Stk. work height max. ca. 1.000 mm Hsdpfoviwqmjx Acbefg Solid pneumatic gluing press with perforated plate for flexible arrangement of the press cylinders. One cylinder without pressure shoe.

Condition: good (used), Year of construction: 2008, TruBend 5085 press brake Hfodpfxoy Shc Ds Acbeg

Condition: good (used), Year of construction: 2012, TruBend 5050 Hfsdey Shcdjpfx Acbsg

Condition: new, pressure 180 t stroke 400 mm column daylight 1500 mm Frame Width 550 mm distance spindle /table max. 1000 mm total power requirement 7,5 kW Front light range 1550 mm Lateral light range 550 mm weight of the machine ca. 2100 kg dimensions of the machine ca. 2300x1200x2850 mm Domestic equipments: - Stable welded construction - Pressure cylinder laterally adjustable - Electric control via lever / manual over hand lever Hedeyv I S Hopfx Acbofg - Pressure gauge via pressure gauge - Material supports per cylinder in the height adjustable - CE mark

Condition: used, Year of construction: 2012, max. working width: 1000 mm workable material thickness: 0,5 - 50 mm Total power: 82 A Total current consumption: 44,5 kW Insulation class: IP 42 Infinitely variable feed speed: 0-4 m / min Adjustment of material thickness: elektrisch Adjustment of tools: elektrisch Length: 3100 mm Width: 2100 mm Height: 2000 mm Hfjdpfsy Sp Hdsx Acbjg Machine weight: 3800 kg Standard configuration SBM-M D 1000:Two-side slag removal of plasma and thermal cut sheets up to 120 mmSaving of tool costs incurred by mechanical deslagging –no time-consuming and expensive grindingTwo-side slag removal saves the time intensive turning of the often very heavy workpieces or machining of parts twiceUp to 60 % work time savings compared to one-side processing machinesModular and compact in modern machine design - smaller footprintDry operationThe cross-machining principle guarantees uniform tool utilisation over the entire working er and lower assemblies separated can be adjusted or turned on and off electricallyInnovative tooling and material feed system allows for optimum handling of burrs and uneven surface of piecesMaximum productivity while maintaining machining qualityImproved work environment - Reduction of dust, dirt and noiseOptionally available: Conveyor Systems; Material Handling; Robotics & Automation; Processing Tools SBM-XL 1000:Deburring and edge rounding of parts up to 120 mm material thicknessProcessing both sides of the parts simultaneously eliminates the need of turning heavy parts and processing them for a second timeSimultaneous deburring and edge rounding on interior and exterior contoursDry operationSimple, intuitive operationThe processing units can be individually adjusted or turned on and off imum productivity while maintaining machining qualityThe cross-machining principle guarantees optimum tool utilisation over the entire working ter and simpler tool change within just a few minutesModular and compact in modern machine design - smaller footprintImproved work environment - Reduction of dust, dirt and noiseOptionally available: Conveyor Technology; Handling Systems, Automation; Custom SolutionsFor repeated customer requirements, processing parameters can be called up quickly and easily through predefined to 60 % work time savings compared to one-side processing grinding machines Extended machine accessories - 2 x dust extractor - 2 x conveyor belt

Condition: used, Year of construction: 2013, Used machine Year of manufacture: 2013 Features and technical data: Hjdey R Haxspfx Acbofg - Clearly arranged controls - Ideal working height - Large opening - Full access from all four sides - Push-button control - Stop button - Safety line – emergency stop (E-STOP) accessible from any position - Timer with acoustic signal - Automatic pressure switch - Automatic temperature control system - Infinitely variable stroke limitation - Heavy-duty rack compensation - Energy-saving mode as standard - Switchable side cylinders - Total pressing force: 120 tons - Plate dimensions: 3000 x 1350 mm - Number of cylinders: 6 - Piston diameter: 85 mm - Max. opening/stroke: 400 mm - Closing time: approx. 16 sec - Heating time to 80°C (from room temperature): approx. 14 min - Maximum permitted operating temperature: 140°C - Total connected load: 20.1 kW - Hydraulic power: 1.21 kW - Circuit breaker: 35 A - Dimensions: 3500 x 1610 x 2000 mm - Total weight: 6200 kg Availability: short-term Location: 63934 Röllbach

Condition: used, Number of drilling agregates 1 Stk. Automatic Fitting-press in nein ja/nein Pot volume drill ja ja/nein Portas BEV electric pneumatic hinge drilling machine for drilling hinges or fittings. Hodjvlw Uqepfx Acbjfg Support table: approx. 300 x 37 cm Weight: 180 kg

Condition: excellent (used), Year of construction: 1993, max. edge thickness coils 0.2 - 3 mm max. edge thickness solid strips15 mm feed speed 12/ 18 m/min glue plot heating time approx. 6 min autom. strip magazine coil magazine granulate heating pot flush trimming unit radius trimming unit Hfjdpfx Acofbr S Robeg operating panel extendable work piece support noice cancelation hood machine length 3800 mm Advise used machines: • Technical data without obligation, mistake and intermediate sale reserve. • Price is considered ex-location price • All articles or machines are bought as seen without any entitlement on warranty. • It is left to the choice of the buyer to view the machines before at its location. • Special arrangements are possible but only valid in written form. (We answer your inquiries only with stated address + telephone number!)

Condition: good (used), Year of construction: 1988, Work piece thickness 0,4 - 8 mm Work piece height max. 51 mm Min. work piece width 50 mm min work piece length 180 mm Hjdpfebahd Ejx Acbofg edge magazine for PVC and strips pneumatic pressure rollers for edge magazine edge snipping unit cutting unit with 2 saws milling aggregate buffing unit Feed speed 11 m/ min Glue application with fin nozzle Air pressure 6 bar length 3750 mm

Condition: new, Technische Daten: Abmessungen der Heizplatten 3000 x 1300 mm Anzahl der Heizplatten 2 # Anzahl der Presszylinder 6 # Pressdruck 90 t (900 kN) Zylinderdurchmesser 70 mm Anzahl der Etagen 1 # Etagenöffnung ca. 400 mm Anschlussleistung ca. 21,0 kW ELEKTRISCH BEHEIZBARE TISCHE (ELKOM - Deutschland) Der Tisch besteht aus 2 kalibrierten Aluminiumplatten, in denen die elektrischen Widerstände verlegt sind. Die maximale Betriebstemperatur ist 120 Grad C. Im am Tisch wird eine Dämmplatte montiert, die zur Wärmeisolierung gegenüber der Presse dient. Der Bau des Tisches und die präzise Verarbeitung, die von spezialisierten Firmen vorgenommen werden, gewährleisten eine sehr gleichmäßige Verteilung der Temperatur. Die Heizplatten sind mit speziellen Halterungen an der Presse befestigt um die Wärmeausdehnung zu erlauben, außerdem erleichtern sie die Wartung und das Auswechseln. Spezifischer Betriebsdruck des Tisches bis zu 10 kg/cm2 Hfjdpfx Ajfh Tmmscbsg Max. Temperatur der Heizplatte 120 Grad C Arbeitstemperatur 90 Grad C Schuetzsteuerung Waermeschutzschalter Die Zylinder sind aus spezial geschweissten und gross dimensionierten Stahlrohren hergestellt. Hydraulik: Kompakte hydraulische Einheit Fabrikat HAWE aus Deutschland. Pumpe fuer Schliessphase und Druckaufbauphase. Automatische Nachdruckverstellung Leistung der hydraulischen Einheit 3 kW Bewegung des Presstisch von unten nach oben. Pressengestell: Das Pressengestell besteht aus einer schweren verwindungssteifen und spannungsfrei geschweissten Stahlkonstruktion. Beide Presstische sind aus HEA-Profilen geschweisst. Die Bearbeitung der Baugruppen erfolgt auf CNC-Barbeitungsmaschinen. Bewegung des Presstisches mit Zahnstangen und Parallelfuehrung an 2 Ecken des Presstisches aus selbstschmierenden Material. BEDIENTAFEL mit Display und Tastatur: Bedientafel Siemens mit 7-Zoll-Farb-Touchscreen mit Verbindung zum Ethernet- Netzwerk für den Fernwartungsservice. Das System ist mit einer eigenen Software ausgestattet durch die die Bedienung der Presse einfach und intuitiv erfolgen kann. Sie können folgende Parameter programmieren, abrufen und ändern: - Automatische Regelung des hydraulischen Drucks aufgrund des Werkstückgrösse und des gewünschten spezifischen Drucks. Das System reguliert den Druck der Zylinder automatisch und der Bediener muss keine Berechnungen mit Grafiken oder Tabellen anstellen. - Möglichkeit zum Speichern von bis zu 100 Arbeitsrezepten (Temperatur, spezifischer Druck, Pressdauer, Plattengrösse). - Direkteinstellung des hydraulischen Drucks der Zylinder mit digitaler Kontrolle aufgrund der Grafik. Dieses System kann alternativ zur automatischen Regulierung verwendet werden, falls Sie lieber mit der herkömmlichen Methode arbeiten. - Elektronische Regelung der Pressdauer - Elektronische Kontrolle der Temperatur der Tische - Automatische Wiederherstellung des Drucks aufgrund des Nachgebens des Materials. - Komplette Diagnostik und Störungsanzeige mit Meldungen am Display. WEITERE AUSSTATTUNG UND MERKMALE DER PRESSE Haken zum Anheben der Maschine um das Laden/ Entladen der Maschine beim Transport zu erleichtern. Nivelliervorrichtungen die an den Füssen der Presse montiert sind. In die Presse integrierte Schalttafel; dadurch sind weniger Aussenkabel notwendig, die vorhandenen sind jedoch auf jeden Fall angemessen geschützt. inkl. Option: Fehlbelegungsüberwachung (Ebenheitskontrolle)

Condition: new, Clean air extraction / dust extractor Dust-tested to H3, residual dust content less than 0.1 mg/m³ Suitable for extracting and separating dry wood and plastic chips High extraction performance with low space requirement Maximum performance in this class Very quiet Designed for commercial use Robust and compact housing made of galvanized sheet steel Extraction nozzle can be easily converted from left to right for flexible use Large inspection openings Large, mobile chip container with clamping bracket and chip collection bag Dust extractor already fully assembled on delivery, so can be used quickly All models are mobile Polyester fleece filter material, aluminized, therefore with long service life Hfsdpfx Asr A Eq Rjcbsg Antistatic filter tested and approved to category M-BIA as standard The fan is connected downstream of the filter Efficiency class extraction motor IE3 Nominal volume flow 1448 m³/h Nominal negative pressure 2242 Pa Power drive motor 2.2 kW, 400 V, 50 Hz Chip collection volume 2 x 165 l Nominal width of external suction connection inlet 160 mm Filter area 9.21 m² Residual dust content < 0.1 mg/m³ Sound pressure level max. 73 dB(A) L x W x H approx. = 1618 x 830 x 1653 mm Weight approx. 268 kg VERSION PM Automatic filter cleaning with pneumatic system that moves a scraper frame