Used Two-Shaft Shredder Eps Fine Crusher for sale (15,462)

Condition: used, Year of construction: 2011, operating hours: 300 h, functionality: fully functional, type of input current: three-phase, power: 30 kW (40.79 HP), input voltage: 400 V, filling opening width: 1,350 mm, filling opening length: 1,035 mm, Used DECOVAL 4-shaft industrial shredder (Year 2011). Designed for efficient processing and shredding of plastic waste materials. Heavy-duty 3.25-ton machine equipped with two 11 kW shredding motors and two 4 kW pusher/feeder motors (total power 30 kW). Operated by a Siemens LOGO PLC, which controls automatic reverse/anti-jamming cycles. Comes complete with the original, comprehensive technical operation and service manual. Ibodpfx Afjzqy Hiohob

Condition: refurbished (used), Year of construction: 2003, functionality: fully functional, total length: 5,450 mm, total width: 2,700 mm, total height: 2,300 mm, overall weight: 22,500 kg, rotor diameter: 640 mm, rotational speed (max.): 165 rpm, rotor width: 2,000 mm, input voltage: 400 V, year of last overhaul: 2026, Vecoplan VNZ 200 - Two-shaft shredder 2 rotors, each with a length of 2,000 mm Rotor diameter: 640 mm each 48 cutting tips, 80x80 mm, X-Cut per rotor 2 drive motors, each with 132 kW Rotor speed: approx. 165 rpm Control cabinet as a freestanding cabinet Weight: approx. 22.5 t The machine is equipped with a pneumatically pre-tensioned counter-knife crossbar, which can be lowered for maintenance work and to remove foreign objects. In addition, this protects the machine from major damage when foreign objects enter. The large, hydraulically pivoting and locking maintenance doors on both sides further simplify maintenance work and the removal of foreign objects. Possible areas of application: Re-shredding of pre-broken waste or residual wood, as well as pre-shredded household, commercial, or industrial waste, packaging materials, production residues, and much more. Depending on the size, the materials can also be fed into the machine without prior pre-shredding. The machine has been completely overhauled. Isdezdf Rujpfx Afhjbb The following overhauls were carried out: - Rotor bearings renewed - Wear surfaces refurbished - Rotor tool holders re-armored - new hydraulic hoses and new motor for hydraulic unit - Pneumatic piping and valves renewed - Rotors fitted with new cutting tips, and new counter-knives installed - new drive belts - Screens will be newly manufactured according to the required grain size - Complete new paint job - Control cabinet overhauled and new star-delta starter circuit installed Additional spare parts package includes: - two overhauled gearboxes - overhauled drive motor - new turbo coupling

Condition: excellent (used), Year of construction: 2018, operating hours: 8,011 h, functionality: fully functional, total length: 16,000 mm, total width: 3,000 mm, total height: 3,600 mm, overall weight: 40,600 kg, power: 360 kW (489.46 HP), Doppstadt DW3060K Büffel/Biopower/Type F/Selector HS-514/Shredder/Crusher/Industrial Shredder • Manufacturer: Doppstadt • Type: DW3060K Büffel • Year of Manufacture: 2018 • Operating Hours: 8011 hrs • Power: 360 kW/489 hp • Industrial Shredder Ibjdpfxezimm Hs Afheb • Engine: Mercedes Benz MTU OM471LA(6R 1300) EUROMOT IV, 6-cylinder diesel • Pneumatic spiral fan • Fuel tank: 2 x 300 liters • AdBlue • Telematics system • Crushing roller, size M • Length: 3 meters • Diameter: 80 cm • Tooth width: 7.4 cm • Tooth height: 8.5 cm • Number of teeth: 125 pieces • Throughput: 20-60 t/h, depending on the material • Magnetic belt • Track system: Strickland 335713-DK40-AA • 2 travel speeds • Loading height: 3.10 meters • Remote control • Central lubrication system • Transport length: 16 meters • Transport width: 3 meters • Transport height: 3.60 meters • Total weight: 40,600 kg • German machine • Ready for immediate use _____ Selector HS-514/Star screen with return conveyor • Screen size: 8-10 cm • 13 star shafts • Integrated support legs • The attachment is picked up by the machine and driven via the auxiliary hydraulics • Star shafts are reversible • Reversing mechanism: Hydraulic • Return system for larger materials • Discharge height: 3.10 meters • This offer is non-binding and subject to change. - Subject to prior sale, - Errors and/or typos are not excluded. - Sale subject to our general terms and conditions.

Condition: like new (used), Year of construction: 2005, operating hours: 20,000 h, warranty duration: 24 months, rotor diameter: 500 mm, rotational speed (max.): 165 rpm, year of last overhaul: 2024, MAQUINA COMPLETAMENTE RECONSTRUIDA // MACHINE FULLY REFURBISHED Ibsdpjg D Ullsfx Afheb Longitud de entrada // Intake length: 1250 mm Anchura de entrada // Intake width: 2962 mm Longitud de rotor // Rotor length: 2962 mm diam. rotor // rotor diam.: 500 mm nº de rotores // nº of rotors: 2 off n.º de cuchillas // n. of knives: 2x27 (80x80) velocidad del rotor 1 // rotor 1 speed: 95 rpm velocidad del rotor 2 // rotor 2 speed: 75 rpm potencia motor 1 // main motor 1 power: 75 kW potencia motor 2 // main motor 2 power: 55 kW voltaje // voltage: 400 V frecuencia // frequency: 50 Hz Peso de la máquina // machine weight: 16000 kg * Máquina completamente reconstruida (rotor y contracuchilla completamente recargado); 1 año de garantía ó 2000h, lo que antes suceda * Incluye: - Soporte de máquina - NUEVO - Tolva de alimentación - NUEVO - Cuadro de control eléctrico - NUEVO - Planos de implantación disponibles - Manual de instrucciones & esquemas eléctricos Includes: - Machine fully refurbished (included complete hard facing of rotor); 1 year guarantee or 2000h, whatever happens first - Machine specially designed for shredding of plastic waste. - Electric control pannel - NEW - Steel support for the machine - NEW - Infeed funnel for the machine - NEW - Dimmensional drawings available in Acad for the machine - Operation & maintennance mannuals available

Condition: used, functionality: unexamined, input voltage: 380 V, The machine (or at least a part of it) is an old coffee pad recycling (CPR-30) machine (see appendix). This shredder and blade assembly was used to tear open paper coffee pads and then separate the pad from the coffee using a vibrating screen located underneath the machine. Iodpfszvfxnox Afhjbb Perhaps this machine is also suitable for other materials. Price is per unit.

Condition: new, Year of construction: 2025, functionality: fully functional, overall weight: 2,900 kg, total height: 25,000 mm, total length: 2,710 mm, total width: 1,040 mm, input voltage: 400 V, We offer a high-performance, low-speed two-shaft shredder designed for effective and precise shredding of aluminum materials, including: 🔹 rods 🔹 strands 🔹 wires 🔹 flat bars 🔹 cables The specially engineered shredding system prevents material from being dragged or crushed — aluminum is efficiently cut, not compressed. The knife design ensures clean and accurate cutting and eliminates the risk of vertically fed material passing through the chamber unshredded. The knives are made of certified, wear-resistant steel. The shredder is equipped with gear motors from a reputable manufacturer. Available motor configurations: 2 × 18.5 kW or 2 × 22 kW. Fraction size – to be agreed upon with the customer. Iedpfx Aotvdcyefhobb Model RS8: working shaft length of 600 mm – identical construction to RS800 and RS1200 models. Manufactured in Poland.

Condition: used, Year of construction: 2012, operating hours: 2,815 h, functionality: fully functional, machine/vehicle number: 12SLT146060, overall weight: 21,000 kg, Equipment: steel tracks, Tracked diesel 2 shaft shredder in perfect working condition. Dimensions: Weight: 20 Tonne (22UST) Transport Width: 2.5m (8'3") Transport Length: 10.2m (33'6") Transport Height: 3.1m (10'5") Working Width: 2.5m (8'3") Working Length: 10.2m (33'6") Working Height: 4.2m (13'10") Applications All types of wood (railway sleepers, pallets) All plastics (including wind turbine blades) Commercial and industrial waste Construction & Demolition (C&D) Domestic and household waste Green waste (including grass, trees, stumps) Mattresses Paper and cardboard (including paper rolls) Ibjdpfjya Hmiex Afheb White household goods

Condition: ready for operation (used), Year of construction: 2018, functionality: fully functional, overall weight: 3,500 kg, type of input current: three-phase, empty load weight: 3,500 kg, working width: 1,400 mm, filling opening length: 1,400 mm, filling opening width: 700 mm, Untha 40 shredder This slow-speed shredder is ideal for shredding large items such as pallets, consumer electronics, televisions, solar panels, and bumpers. Power: 2 x 18.5 kW Electrical cabinet: Siemens Chamber dimensions: 1400 x 700 mm Loading hopper included. Weight: approx. 3500 kg Ibsdpezmzgpefx Afhjb The machine is in perfect working order. Price available upon request. More photos and a video of the machine in operation can be provided upon request. Testing is possible. More information is available by phone.

Condition: refurbished (used), Year of construction: 2012, functionality: fully functional, power: 261 kW (354.86 HP), Lindner Urraco U75 D on wheel axle with magnet and remote control, fully refurbished. Tools: 6-piece set, 7/7 discs in Hammel design (condition: 85%) Total operating hours: 9800. 2024: New gearbox, new hydraulic pump, new hydraulic motors installed, now approx. 600 operating hours. Discharge conveyor overhauled, magnet unit replaced. Tools 85%. Isdpfx Aoytdkfofhsbb Service newly performed. New paintwork. Immediately ready for use.

Condition: new, Year of construction: 2018, functionality: fully functional, power: 25 kW (33.99 HP), New in box specialized food waste shredder. Manufactured in 2018 but has never been used, still in box. Isdpfswq Rapox Afhjbb

Condition: new, Year of construction: 2026, functionality: fully functional, total length: 1,580 mm, total width: 2,320 mm, total height: 2,600 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits The ASCO DS 600 is the ideal double-shaft shredder for recycling companies, municipalities, construction logistics, and industrial waste management. It reliably shreds wood, green waste, plastics, foils, pallets, and packaging with compact efficiency, low maintenance, and flexible stationary or mobile operation. Key Features: • Robust counter-rotating shafts for powerful shredding • Versatile material handling across industries • Space-saving compact design • Easy operation with automatic reversing • Fast, user-friendly maintenance Tech Highlights: W 2.32 m · L 1.58 m · H 2.60 m · Cutter Ø 200–350 mm · Speed n 10-60 rpm · Power 8-60 kW · Weight 1870–2590 kg · Infeed 0.95 × 1.18 m · Discharge 0.60 × 0.60 m Ibedpfx Asw Afvpsfhsb

Condition: new, Year of construction: 2026, Two-Shaft Shredder GL32120 – 30 kW + 30 kW – NEW SHREDDER EQUIPPED WITH HYDRAULIC PRESSURE (PLEASE REFER TO THE ATTACHED TECHNICAL DRAWING OF THE MACHINE) GrabTrade has been specializing in the sale of machinery and complete technological solutions for the recycling industry for many years. We are an official representative of 3E Machinery in Poland. We offer new and used shredders, granulators, and complete recycling systems. We offer a new industrial two-shaft shredder, 3E Machinery GL32120, equipped with two independent drives, each with a power of 30 kW. The machine operates at low speed and high torque, making it suitable for demanding industrial applications and shredding a wide range of materials. TECHNICAL SPECIFICATIONS: Model: GL32120 Iedpsvpuafofx Afhsbb Type: Two-shaft shredder Motor power: 30 kW + 30 kW Rotor length: 1,200 mm Rotor diameter: 430 mm Number of knives: 30 pcs. Knife thickness: 40 mm Shredding chamber dimensions: 1,212 × 736 mm Machine dimensions (L × W × H): 3,650 × 1,346 × 2,275 mm Weight: approx. 5,200 kg Control system: electrical control cabinet with Siemens PLC Condition: Brand new APPLICATIONS: The GL32120 two-shaft shredder can be used for shredding various materials, including: plastics, industrial waste, wood and pallets, electronic waste, barrels and containers, municipal waste, paper and cardboard, metal-containing waste, used tires, and many other materials intended for recycling. The robust design and low-speed, high-torque shredding system make the GL32120 an excellent solution for heavy-duty recycling applications. The modular construction of the shredding chamber provides easy access to the main components for maintenance and servicing. Machine available in our offer. We provide professional technical advice, commissioning, after-sales service, and full access to spare and wear parts. Full range of our shredders, granulators, and recycling lines: GrabTrade – shredding and recycling machines.

Year of construction: 2026, condition: new, Two-Shaft Shredder GL32120 – 30 kW + 30 kW – NEW SHREDDER EQUIPPED WITH HYDRAULIC PRESSURE (PLEASE REFER TO THE ATTACHED TECHNICAL DRAWING OF THE MACHINE) GrabTrade has specialized in the sale of machinery and complete technological solutions for the recycling industry for many years. We are an official representative of 3E Machinery in Poland. We offer new and used shredders, granulators, and complete recycling systems. We offer a new industrial two-shaft shredder, 3E Machinery GL32120, equipped with two independent drives with a power of 30 kW + 30 kW. The machine operates at low speed and high torque, making it suitable for demanding industrial applications and the shredding of a wide range of materials. TECHNICAL SPECIFICATIONS: Model: GL32120 Type: Two-shaft shredder Motor power: 30 kW + 30 kW Rotor length: 1,200 mm Rotor diameter: 430 mm Number of knives: 30 pcs. Knife thickness: 40 mm Shredding chamber dimensions: 1,212 × 736 mm Machine dimensions (L × W × H): 3,650 × 1,346 × 2,275 mm Weight: approx. 5,200 kg Control system: Electrical control cabinet with Siemens PLC Condition: Brand new APPLICATIONS: The GL32120 two-shaft shredder can be used for shredding various materials, including: Iodpovpunvefx Afhobb plastics, industrial waste, wood and pallets, electronic waste, barrels and containers, municipal waste, paper and cardboard, metal-containing waste, used tires, and many other materials intended for recycling. The robust design and low-speed, high-torque shredding system make the GL32120 an excellent solution for heavy-duty recycling applications. The modular construction of the shredding chamber provides easy access to the main components for maintenance and servicing. Machine available in our inventory. We provide professional technical advice, commissioning, after-sales service, and full access to spare and wear parts. Full range of our shredders, granulators, and recycling lines: GrabTrade – shredding and recycling machines.

Condition: new, Year of construction: 2026, functionality: fully functional, rotor length: 900 mm, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits ASCO DS 600 and DS 900 double-shaft shredders deliver reliable shredding performance for recycling, waste management, municipalities, and construction logistics. Designed for wood, green waste, plastics, foils, pallets, packaging, and production residues, they ensure high throughput, low maintenance, and efficient material reduction-even with heavy or resistant waste. Key Features: • Compact yet powerful double-shaft shredders for diverse materials • Robust, durable construction with maintenance-friendly design • Counter-rotating shafts for secure and controlled shredding • Large filling opening (DS 900) for bulky and heavy materials • Intuitive control system with automatic reversing to prevent blockages Tech Highlights Rotor Ø 200-350 mm · Rotor L 900 mm · Rotor n 10-60 rpm · Power 8-60 kW Ijdpfx Aew Dc S Dsfhsbb

Condition: used, Year of construction: 2010, operating hours: 7,700 h, functionality: fully functional, power: 331 kW (450.03 HP), ARJES VZ 760 D – 2010 – 7,700 Operating Hours – Magnet ARJES VZ 760 D twin-shaft shredder for sale, manufactured in July 2010. The machine is equipped with a magnetic separator and has been used for municipal waste processing. Technical specifications: Manufacturer: ARJES GmbH Model: VZ 760 D Year of manufacture: 2010 Serial number: 44 Engine power: 331 kW Operating hours: approx. 7,700 h Magnetic separator: Yes Application: Municipal waste / household waste / industrial waste / bulky waste Type: Mobile twin-shaft shredder Description: Robust and powerful ARJES VZ 760 D twin-shaft shredder, suitable for demanding waste processing and recycling applications. The machine has approximately 7,700 operating hours and is equipped with a magnetic separator for ferrous metal separation. Particularly suitable for: Municipal and household waste Industrial waste Bulky waste Waste processing and recycling Pre-shredding applications The machine is available for inspection and testing by appointment. Ibsdpfx Afozulwnohjb Further photos and videos are available upon request.

Condition: refurbished (used), Year of construction: 2023, functionality: fully functional, machine/vehicle number: A230159, For sale: Refurbished shaft set for Arjes Impaktor. The shaft set has been completely overhauled and inspected for cracks. It is in good technical condition and ready for immediate use. All tools are new and made from HB500. The shaft set is ready for installation and can be supplied with either EVO 1 or EVO 2 cassette, as required. We accept your old shafts in part exchange. Price and further details upon request. Cost-effective shipping available throughout Europe. Tecweld GmbH is a company specializing in the refurbishment of wear parts. Our focus is on the repair and reconditioning of crusher and shredder shafts. This is precisely where our core competence lies. Thanks to our many years of experience and expertise, we are able to offer cost-effective solutions. In many cases, professional refurbishment is significantly more economical than purchasing new parts or carrying out time-consuming repairs in-house. Ibedpfx Aox Td Npofheb For our customers, this means reliable technology, predictable costs, and an economical alternative to replacing new components. Please feel free to contact us – we are happy to advise you.

Condition: excellent (used), EPS CRUSHER / SHREDDER / GRINDER – GRINDER N. 1 For sale: a professional, high-efficiency EPS (expanded polystyrene) shredder/grinder, designed for continuous operation within a technological production line. Unlike standalone machines that require manual feeding or separate conveyor loading, this unit is specifically engineered for installation directly underneath an EPS cutting line. It automatically collects, crushes, and reduces the volume of both side and bottom waste material as it falls onto the conveyor belt during the cutting process. PRICE: Original Price: 6,500 EUR New Price: 5,900 EUR Technical Specifications: External Dimensions (L x W x H): 191 x 120 x 64cm Inlet Dimensions: 148 x 38cm Drive System: Heavy-duty 7.5 kW gear motor (motoreducer) Shaft Configuration: Dual-shaft drive via heavy-duty gears (both shafts are actively driven) Tags: EPS shredder, polystyrene crusher, EPS grinder, recycling equipment, volume reducer, styrofoam shredder, compactor, waste processor. Ibsdezc Hnljpfx Afhjb

Condition: new, Year of construction: 2026, Two-Shaft Shredder GL32120 – 30 kW + 30 kW – NEW SHREDDER EQUIPPED WITH HYDRAULIC PRESSURE (PLEASE REFER TO THE ATTACHED TECHNICAL DRAWING OF THE MACHINE) GrabTrade has been specializing in the sale of machinery and complete technological solutions for the recycling industry for many years. We are an official representative of 3E Machinery in Poland. We offer new and used shredders, granulators, and complete recycling systems. We offer a new industrial two-shaft shredder, 3E Machinery GL32120, equipped with two independent drives with a power of 30 kW + 30 kW. The machine operates at low speed and high torque, making it suitable for demanding industrial applications and shredding a wide range of materials. TECHNICAL SPECIFICATIONS: Model: GL32120 Type: Two-shaft shredder Motor power: 30 kW + 30 kW Rotor length: 1,200 mm Rotor diameter: 430 mm Number of knives: 30 pcs. Knife thickness: 40 mm Shredding chamber dimensions: 1,212 × 736 mm Machine dimensions (L × W × H): 3,650 × 1,346 × 2,275 mm Weight: approx. 5,200 kg Ibjdpfx Afjvpuq Dehsb Control system: electrical control cabinet with Siemens PLC Condition: Brand new APPLICATIONS: The GL32120 two-shaft shredder can be used for shredding various materials, including: plastics, industrial waste, wood and pallets, electronic waste, barrels and containers, municipal waste, paper and cardboard, metal-containing waste, used tires, and many other materials intended for recycling. The robust design and low-speed, high-torque shredding system make the GL32120 an excellent solution for heavy-duty recycling applications. The modular construction of the shredding chamber provides easy access to the main components for maintenance and servicing. Machine available in our inventory. We provide professional technical advice, commissioning, after-sales service, and full access to spare and wear parts. Full range of our shredders, granulators, and recycling lines: GrabTrade – shredding and recycling machines.

Condition: new, Year of construction: 2026, Shredding shafts with side combs for Arjes 850 D/DK synchronized, in Hammel design, 6-piece, 9-9 discs for wood / green waste / refuse / commercial waste / tires, etc. Iedoyt Icxopfx Afhsbb -- NEW --

Condition: good (used), CRUSHER / GRINDER / SHREDDER / MILL for polystyrene (EPS) waste. Power: 15kW The unit comes with an automatic control cabinet. It is prepared (has outputs) for a mill, a fan, and a conveyor belt. It has both manual and automatic functions. In automatic mode, it regulates the material feed by itself. The machine has been designed to prevent motor overload (“clogging” or “stalling”): Ibedpfx Afsumk Nmohsb Load monitoring: The system continuously measures the mill’s current draw (amperage). Automatic stop: When too much material is fed and the current rises above the set limit, the conveyor belt feeder stops automatically. Automatic restart: Once the mill processes the accumulated material and the load decreases, the system automatically restarts the feeder to supply the next batch of material. Tag: EPS, crusher, grinder, foam shredder, mill, polystyrene recycling machine, foam crusher, compactor, foam densifier, volume reducer.

Condition: new, Year of construction: 2026, overall weight: 4,300 kg, working range: 1,200 mm, power: 44 kW (59.82 HP), RS TeamTech Sp. z o. o. We are a Polish manufacturer of personalized recycling machines - we select machine parameters individually for each client. Ibjdpor Dffmjfx Afheb The presented shredder is: RS1200F Working chamber: 1200x600 mm POWER: 2x 22kW (Seweurodrive) The shredder has an advanced machine control box and a set of belt conveyors. The system monitors the load of the shredder motors, has a reverse and stop function in the event of overload connected to the belt conveyor system. Contact us RS TeamTech Team

Condition: ready for operation (used), Year of construction: 2008, - Shredder EUREC S 20.00 D - Year of manufacture: 2008 - Operational Ibjdpszwda Tofx Afhsb - Includes spare parts

Condition: good (used), Year of construction: 1998, Motor power [kW]: 150 (2x75) Number of blades on the shaft: 48 (2x24) Blades [mm]: 80x80x45 mm (reinforced/extended mounting threads). New, square. 4 blades, of which 3 blades are 100% and 1 blade is approximately 70% new Rotor: Shaft width [mm]: 2,100 Number of shafts: 2 Shaft diameter: 500 mm Shaft speed [rpm]: 75-165 Screen diameter [mm]: 30 mm Chamber dimensions [mm]: 2,100 x 1,250 Automatic start: Soft start Rated voltage: 3 x 400 V/50 Hz Rated current: 160 A-200 A Automation: Siemens Simatic Weight [kg]: approx. 14,500 Dimensions: Length [mm]: 3,850 Width [mm]: 2,720 Height [mm]: 2,700 Documentation: German 2014 A complete overhaul was carried out. A list of these parts and pictures are available upon request. This machine has not been used for several years (since then - one owner). Previously, it processed plastic, film, and cardboard - RDF after selective recycling. Iedpfeibzbhsx Afhjbb The approximate throughput for materials like the above (lightweight) is about 1-1.5 tons/hour. Other materials - to be checked/discussed. The machine was fully functional and is currently stored on site. Additional photos and video available upon request.

Condition: used, Year of construction: 2021, operating hours: 4,119 h, functionality: fully functional, machine/vehicle number: 7187, overall weight: 20,000 kg, year of last overhaul: 2026, fuel type: diesel, We are offering this used Lindner crusher, model Urraco 75D, manufactured in 2020, for sale. The installed grinding unit has been completely refurbished. An additional grinding unit (unrefurbished) is included in the price. Isdezc Izmjpfx Afhebb If you have any questions or require further information, please feel free to send us a message or call us.

Condition: used, Year of construction: 1991, total length: 1,520 mm, total width: 720 mm, power: 30 kW (40.79 HP), Fully overhauled, lubricated, and ready for operation. Automatic two-shaft hydraulic shredder designed for crushing and disentangling metal chips, plastics, wood, electrical cables, and other materials. It is controlled by a PLC that monitors sensors, manages shaft rotation, and automatically activates the reverse function, if several blockages occur within a short period, the shredder shuts down. In addition, the unit automatically switches off after a set period when operating without load. Isdewk Egwepfx Afhebb Technical Highlights: Power 30 kW Max hydraulic pressure: 250 bar Torque: 11,780 Nm 2 crushing shafts with blades Hydraulic drive with gear transmission (Valmet BB 3150CC) Automatic blade pressure adjustment (disc spring system)