Used Krauss Maffei 4000-24500 Mc for sale (4,341)

Condition: good (used), Hydraulic pump, oil pump, gear pump, vane pump, hydraulic power unit, double hydraulic pump -Double hydraulic pump: from KHS Krauss Maffei KM 1000-5000A injection molding machine -Pump 1: Voith type IPH 6/5-125/50 300 bar -Pump 2: Voith type IPR/H 6/5-125/40 210/300 bar -Drive: Loher 75 kW 1500 rpm -Individual components: filters/valves, see photos -Dimensions: 2285/800/H900 mm Csdpsg Avqcofx Akqerf -Weight: 1132 kg

Condition: used, CNC control, control cards, MC3 control, plug-in cards, printed circuit boards, electronics housing Credench Iijpfx Akqof -Manufacturer: Krauss Maffei, control module from injection molding machine -Electronic module: HU 100 5089750 3AO63 -Electronic housing: phoenix contact type UEGM -Number: 14x module available -Dimensions: 90/25/H85 mm -Weight: 0.1 kg/pc.

Condition: good (used), Year of construction: 2011, Ref. no.: 18586 Manufacturer: KRAUSS MAFFEI Type: KM180-750 AX All Electric Year of construction: 2011 Clamping unit Clamping force: 180 ton Opening stroke: 1050 mm Distance between tie bars: 560 × 510 mm Mould height min.: 200 mm Mould height max.: 600 mm Platen size (h x v): 790 × 740 mm Injection unit Screw diameter: 50 mm Injection volume: 393 cm³ Shot weight: 357 g Injection pressure: 1892 bar Measurements and weight Dimensions: 6,07 x 1,92 x 2,01 m Machine weight: 6500 kg Further information: 👉 Fully electric machine offering maximum precision, lowest energy consumption and highest process stability his machine belongs to the proven AX series from KraussMaffei, known for its robust design, high performance, and reliability in industrial production. With a clamping force of 180 tons, the machine is ideally suited for a wide range of technical plastic applications, including automotive, packaging, and general industrial parts. Csdpfx Aew E E Evskqerf Key features: * Solid and durable construction for long-term operation * High injection performance and process stability * Reliable KraussMaffei MC5 control system * Suitable for continuous industrial use * Good availability of spare parts The machine is equipped with a KraussMaffei linear robot (LRX-S100), which allows efficient and automated part handling, increasing productivity and reducing cycle times. Thanks to its well-balanced performance and flexibility, this machine represents a very attractive solution for both technical parts and series production. The machine was manufactured in 2011 and appears to be in good working condition, as shown in the pictures.

Condition: excellent (used), Year of construction: 2020, Krauss Maffei KM 81-380 PX with Sepro Industrial Robot Succes 7 / Electric Machine Year of manufacture: 2020 Credpszparijfx Akqef Injection unit: Screw diameter: 35 mm Shot weight: 140 g Injection pressure: 2429 bar Dosing volume: 154 ccm Clamping unit: Clamping force: 80 t Tie bar spacing: 420x370 mm Platen size: 560x510 mm Ejector: electric Clamping unit: toggle Control system: MC6 - Touchscreen Additional equipment: Machine in very good technical condition Electric machine: energy-saving and very quiet Operating hours: approx. in automatic mode Euromap 67 Robot interface Air valve with vacuum x 2 Hydraulic core pull x 1 Control system with hot runner nozzles x 15 Injection unit is wear-resistant and resistant to corrosion Main motor of the machine - servo motor driven by an inverter - energy saving Central lubrication Parallel movements Automatic tool height adjustment Robot Industrial Robot Succes 7 Year of manufacture: 2017 4-axis robot: 3 axes are driven by servo motors (electric): X, Y, Z; axis C – pneumatic Safety package for robots Robot with adapter, conveyor belt and safety enclosure Purchase of the robot and conveyor belt at an additional cost Dimensions: Weight: 7900 kg Length/Width/Height: 4.90x1.53x1.85 m All machines offered are started by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or to participate in technical live tests at our company in Łódź. Price: On request

Condition: excellent (used), Year of construction: 2019, Krauss Maffei KM 121-380 PX / Electric Machine Year of manufacture: 2019 Injection unit: Screw diameter: 35 mm Shot weight: 140 g Injection pressure: 2429 bar Dosing volume: 154 ccm Clamping unit: Clamping force: 120 t Cedjzpaqxopfx Akqjrf Tie bar spacing: 470x420 mm Platen size: 640x590 mm Ejector: electric Clamping unit: toggle Control: MC6 - Touchscreen Additional equipment: Machine in very good technical condition Electric machine: energy-saving and very quiet Operating hours: approx. in automatic mode Euromap 67 Robot interface Air valve with vacuum x 2 Hydraulic core pull x 1 Control system with hot runner nozzles x 15 Injection molding unit is wear-resistant and corrosion-resistant Main motor of the machine - servo motor driven by an inverter - energy saving Central lubrication Parallel movements Automatic tool height adjustment Dimensions: Weight: 9400 kg Length/Width/Height: 5.10x1.60x1.88 m All machines offered are started by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or to participate in technical live tests at our company in Łódź. Price: On request

Condition: excellent (used), Year of construction: 2019, Krauss Maffei KM 161-540 PX / Electric Machine Year of manufacture: 2019 Injection unit: Screw diameter: 40 mm Shot weight: 206 g Injection pressure: 2377 bar Dosing volume: 226 ccm Clamping unit: Cjdpfxjzpap Ij Akqsrf Clamping force: 160 t Tie bar spacing: 520x470 mm Platen size: 710x660 mm Ejector: electric Clamping unit: toggle Control: MC6 - Touchscreen Additional equipment: Machine in very good technical condition Electric machine: energy-saving and very quiet Operating hours: approx. in automatic operation Euromap 67 Robot interface Air valve with vacuum x 2 Hydraulic core pull x 1 Control with hot runners x 15 Injection unit is wear-resistant and corrosion-resistant Main motor of the machine - servomotor driven by an inverter - energy saving Central lubrication Parallel movements Automatic tool height adjustment Dimensions: Weight: 13200 kg Length/Width/Height: 5.60x1.72x1.95 m All machines offered are started by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or to participate in live technical tests at our company in Łódź. Price: Upon request

Condition: excellent (used), Year of construction: 2011, Krauss Maffei KM 350-2000 AX / Electric machine / Production line with Krauss Maffei LRX150-1018 robot Year of manufacture: 2011 Injection unit: Screw diameter: 60 mm Shot weight: 720 g Injection pressure: 2420 bar Dosing volume: 792 ccm Clamping unit: Clamping force: 350 t Tie bar spacing: 810x730 mm Platen size: 1110x1030 mm Ejector: electric Clamping unit: toggle type Control: MC6 - Touchscreen Additional equipment: Electric machine: energy-saving and very quiet Euromap 67 Robot interface Air core pull x 2 on the side of the fixed platen Hydraulic core pull x 3 on the side of the moving platen Control system with hot runner nozzles x 10 Injection unit is wear-resistant and corrosion-resistant Main motor of the machine - driven by a servo motor with inverter - energy saving Central lubrication Parallel movements Automatic tool height adjustment Robot Krauss Maffei LRX150-1018 Year of manufacture: 2011 4-axis robot: 3 axes are driven by servo motors (electric): X, Y-telescopic, Z; Axis B-rotation, Axis C – pneumatic Travel distances in axes: X-900, Y-1800, Z-2500 Safety package for robot Robot with adapter, conveyor belt, and protective housing Cedpfezpapnex Akqerf Purchase of the robot and conveyor belt for an additional charge Dimensions: Weight: 22600 kg Length/Width/Height: 8.00x2.35x2.30 m All machines offered are started by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or to participate in live technical tests at our company in Łódź. Price: On request

Condition: used, Krauss Maffei drop-out changer, height 410 mm- height 410 mm - removed from Krauss Maffei KM 200 - removed from running machine Codsrr Efnspfx Akqjrf - fully functionalmanufacturer: Krauss Maffei Dition: gebraucht

Condition: excellent (used), Year of construction: 2011, Year of construction: 2011, Arm range: 1717 mm, weight: 20 kg, Control unit: DX100 Cedpfxotxymmj Akqorf

Condition: excellent (used), Year of construction: 2011, Krauss Maffei KM 420-3000 CX Injection Moulding Machine Year of manufacture: 2011 Control system: MC5 Clamping Unit: Clamping force: 4,200 kN Tie bar spacing (H x V): 900 x 800 mm Platen dimensions (H x V): 1,400 x 1,250 mm Min. mould height: 780 mm Max. daylight between platens: 1,400 mm Ejector stroke: 250 mm Ejector force (forward/back): 95.4 / 48.6 kN Max. mould weight: 6,700 kg Injection Unit: Screw diameter: 80 mm Injection pressure: 1,856 bar Shot volume: 1,608 cm³ Shot weight (PS): 1,464 g Injection rate: 478 cm³/s Screw speed: 220 / 285 rpm Nozzle contact force: 129.4 kN Additional Equipment: 2 x hydraulic nozzle controls (GK) 2 x hydraulic core pulls – moving platen 1 x hydraulic core pull – fixed platen Masterbatch dosing unit control 14 GK zones Crjdpeydbbvsfx Akqof Electrical and General Data: Pump motor power: 75 kW Installed heating power: 36 kW Power supply: 400 V / 50 Hz Oil volume: 1,075 l Machine weight: 23.7 t Dimensions (L x W x H): 7.3 x 2.6 x 2.5 m

Condition: good (used), Year of construction: 2016, Synchronization of the saw carriage - 6 pieces available Codpfxsuzxrgo Akqorf

Year of construction: 2016, condition: as good as new (ex-display), Category: Twin-screw extruder Number: DE27621 Manufacturer: KraussMaffei Berstorff Type: ZE 110 R x 28D UTmi Year: 2016, like new, less than 100 operating hours Screw diameter: 2x Ø 127.0 mm L/D: 28:1 (extension of the processing unit possible) Credjiux Nmspfx Akqsf Drive/Motor: 250.0 kW (AC) – water-cooled Details: Co-rotating, screw speed: max. 300 rpm, degassing, 2x Busch vacuum pumps MM 1202 A VA3, segmented screws and cylinders, 1 x side feeder Berstorff ZSFE 120 – Control: Siemens S7 with screen control Does this offer not meet your requirements? Please visit our Plama website or send us your detailed request; we have a suitable option for almost every budget.

Condition: excellent (used), Year of construction: 2018, operating hours: 9,585 h, functionality: fully functional, clamping force: 1,600 kN, screw diameter: 55 mm, clearance between the columns: 520 mm, displacement volume: 523 cm³, injection pressure: 1,904 bar, total length: 6,700 mm, total width: 1,600 mm, total height: 2,300 mm, overall weight: 10,900 kg, clamping force: 1600 kN distance between tie-bars h x v: 520 x 470 mm size of mould plates h x v: 710 x 660 mm min. mould height: 200 mm max. mould height: 600 mm Crsdpozgt Hnefx Akqof opening stroke: 1050 mm screw diameter: 55 mm swept volume: 523 ccm injection pressure: 1904 bar equipment included screen text german CEE-socket 16A CEE-socket 32A pressure accumulator for uprated injection speed 3 freely programmable each inputs and outputs core pulling pneum. 2 x machine incl. water flow regulator machine without material hopper Anti vibration mounts interface for dosing unit interface for temperature control units interface USB Schuko-socket 10A wear-resistant injection unit mould heating 24x measures of machine l x w x h: 6.7m x 1.6m x 2.3m total weight: 10900KG

Year of construction: 2013, condition: ready for operation (used), Hydraulic injection moulding machine manufactured in 2013. This Krauss Maffei 35-180 CX features a plasticising size of 180 and a screw diameter of 28 mm. With 2 units available, this machine offers reliable performance for your production needs. If you are looking to get high-quality plastic processing capabilities, consider the Krauss Maffei 35-180 CX machine we have for sale. Contact us for further details. • Axes: not applicable • 2 units available (80 & 81)(82 is sold) Csdpfjzr H Snjx Akqjrf • Plasticising size 180 • Plasticising arrangement H • Screw diameter 28 mm • Nozzle radius 10 mm • Nozzle bore 4 mm

Condition: used, Year of construction: 2013, operating hours: 29,000 h, clamping force: 50 kN, displacement volume: 59 cm³, injection pressure: 2,500 bar, overall weight: 3,700 kg, screw conveyor diameter: 25 mm, terms of delivery: EXW (ex Works) delivery time: on request terms of payment: 100% prior to delivery Codpfx Asppigdekqsrf Manufacturer: Krauss Maffei Type: KM50-180AX Condition: aus laufender Produktion Operating hours: ca. 26.000 CLAMPING UNIT: - Clamping force: 50 t Öffnungsweg: 300 mm Mould installation height min.: 150 mm Mould installation height max.: 470 mm Tie bar distance (h x v): 410 x 360 mm Plate dimension (h x v): 510 x 460 mm Centering (fix- movingplate): 125 mm INJECTION UNIT: IU180 Screw diameter: 25 mm Injection weight in polystyrol: 54 g Stroke volume: 59 cm³ Einspritzdruck: 2.500 bar CONTROL: MC5 Screen language: DE Operating manuel: DE EQUIPMENT: - Core pulls: 2 x (Hydr. Kernzug-Aggregat) Air valves: 2 Hot runner control devices: 6 Robot interface: Euromap 67 Other equipment: Qualitätsüberwachungspacket GENERAL DATA: - Installed heating capacity: 8,1 kW Pump drive power: entfällt Total installed power: Motor + Heizung Total weight: 3.700 kg Total size L x B x H: 4,4 x 1,6 x 1,9 m

Condition: excellent (used), Rexroth Voith triple pump for Krauss Maffei, SY2DFE1-20/071/071 KM No. 6268540 Credpsy S Amwofx Akqef KM No. 6441936 R901196471

Condition: new, Krauss Maffei EK201, serial number as shown in the photo, unused and in its original, opened packaging, 100% functional, scope of delivery as shown in the photos. Cedpfx Aoi Ebwwokqjrf

Condition: excellent (used), Year of construction: 2016, KRAUSS MAFFEI KM 160-180 EX incl. LRX 100 (35.000 h) (S&P 3800) Cedszrwffepfx Akqsrf Manufacture year: 2016 Operating hours: 35,000 Stunden Screw: 25 mm Injection pressure: 2500 bar Stroke volume: 59 cm³ Clamping Force: 160 t Tie bar distance: 630 x 520 mm Mould installation height min.: 300 mm Plate distance max.: 1000 mm Dimensions: 5400 x 1600 x 2100 mm Eeight: 13200 kg Connected load: 28 kW All electric, 2 x Airvalve, 12 x Hoterunner, MC 6 in german, english, polnish and chinese, Interface Robot, Interface Temperatur device, Robot System LRX 100 (10 kg) X = 550mm / Y = 120mm / Z = 1500 mm / C = 90°, price when new approx. 205.000,- Euro Price: on request contact: Mr. Ralf Schulz

Condition: ready for operation (used), Year of construction: 2010, operating hours: 80,000 h, clamping force: 800 kN, total width: 1,480 mm, total height: 2,020 mm, overall weight: 3,550 kg, product length (max.): 4,090 mm, Hydraulic injection moulding machine manufactured in 2010. This Krauss Maffei CX 80-180 features a clamping force of 80 T and a screw diameter of 40 mm. It has a shot volume of 201 cm³ and a shot weight of 183 g. The machine includes a Euromap 67 robot interface and six heating zones. If you are looking to get high-quality injection moulding capabilities, consider the Krauss Maffei CX 80-180 machine we have for sale. Contact us for further details. Crsdezk Elwepfx Akqsf • Outer length: 670 mm • Outer width: 670 mm • Clamping force: 80.0 T • Screw diameter: 40.0 mm • Tie Bar spacing: 420 x 420 mm • Shot volume: 201.0 cm3 • Shot weight: 183.0 g • 6 heating zones • Hydraulic core • Includes a Sepro sprue picker with the machine

Condition: ready for operation (used), Year of construction: 2001, operating hours: 26,000 h, clamping force: 1,250 kN, total width: 1,510 mm, total height: 2,190 mm, overall weight: 6,500 kg, product length (max.): 4,480 mm, Hydraulic injection moulding machine manufactured in 2001. This Krauss Maffei 125-520 C1 features a clamping force of 125 T and a screw diameter of 45 mm. It has a shot volume of 275 cm³ and a platen size of 745 x 770 mm. If you are looking to get high-quality injection moulding capabilities, consider the Krauss Maffei 125-520 C1 machine we have for sale. Contact us for further details. • Screw diameter: 45.0 mm • Tie Bar spacing: 470 x 470 mm • Shot volume: 275.0 cm3 • 6 heating zones • Hydraulic core • Interface: Euromap 12 robot interface • Outer length: 745 mm Cjdpozk D Nusfx Akqjrf • Outer width: 770 mm

Condition: like new (used), Year of construction: 2019, Krauss Maffei Injection Molding Line including a Kraus Maffei Injection Molding Machine, Model 50/55 CX with Krauss Maffei handling unit, Model LRX 100 (serial 2118838); tray unstacking station; discharge blower, collection device and tray filling station; and Kemapack GmbH strapping/wrapping machine. Csdpjmn Tu Hofx Akqorf

Condition: excellent (used), Year of construction: 2016, clamping force: 6,500 kN, Krauss Maffei 650 GX SP 3000 Clamping force: 650 t Screw diameter: 80 mm Shot weight: 1170 g Distance between tie bars V: 960 mm Distance between tie bars H: 1110 mm Shot volume: 1284 cm3 Crsdpfx Aey Eyxdskqsf Type: Horizontal Drive: Hydraulic Clamping force: 650 t Screw diameter: 80 mm Shot weight: 1170 g Distance between tie bars V: 960 mm Distance between tie bars H: 1110 mm Shot volume: 1284 cm3 Type: Horizontal Drive: Hydraulic Injection Moulding Machine – KM 650 GX Injection Unit: SP 3000 Screw Diameter: 80 mm Clamping Unit Clamping Force: 6500 kN Tool Holding Force: 455 kN Platen Dimensions (H × V): 1540 × 1440 mm Space Between Tie Bars (H × V): 1110 × 960 mm Max. Mold Height: 1450 mm Mold Installation Height (Min./Max.): 450 / 1000 mm Opening Stroke: 1000 mm Ejector Stroke: 250 mm Ejector Force (Forward/Return): 95 / 49 kN Injection Unit Screw Diameter: 80 mm L/D Ratio: 21.3 Injection Pressure: 1538 bar Shot Volume: 1284 cm³ Shot Weight (PS): 1170 g Injection Rate: 141 cm³/s Injection Speed: 133 mm/s Injection Power: 60 kW Plasticizing Rate (PS): 139 g/s Heating Power Installed: 36 kW Nozzle Retraction Force: 7 kN Drive and Energy Installed Pump Power: 90 kW Dry Cycle Time (EUROMAP 6): 3.0777 s Dry Cycle Time (KM Norm): 2.5555 s Machine Dimensions and Weight Dimensions (L × W × H): 8.03 × 2.88 × 2.45 m Net Weight: 12000 kg Max. Tool Weight: 11000 kg Oil Tank Capacity: 1180 l

Condition: excellent (used), Year of construction: 2013, Equipment: documentation/manual, Machine KraussMaffei KM650-4300 GX Clamping force kN: 6500 Clearance between tie bars ( h x v ) mm: 1110 x 960 Mould opening stroke mm: 1450 Mould height min. mm: 450 Mould height may. mm: 1000 Ejector stroke mm: 250 Screw diameter mm: 90 (mixing HPS-M) L/D ratio: 20 Injection pressure bar: 1839 Stroke volume cm3: 2290 Control version: MC5 Screen text: Germany Condition: Checked, ready to work Equipment: \- Anti-vibration levelling pads \- BluePower - Servo pump drive for lower energy consumption \- Wear resistant plasticizer, surcharge \- BluePower - Complete insulation of plasticizing cylinder for lower energy consumption \- 2 x pneumatic valve on moving platen for blow function \- 2 x pneumatic valve on fixed platen for blow function \- Pneumatic cascade control, 4-fold for hotrunner \- Hydraulic cascade control, 4-fold for hotrunner \- Conveyor control \- Mechanical robot interface according to EUROMAP 18 \- Hydr. actuated ejector plate including tapped holes and clearance holes in the moving platen for ejector bolts Cjdpfx Akey Apdqjqorf \- Hydraulic core pull system 2-fold on moving platen \- Hydraulic core pull system 2-fold on fixed platen \- Pneumatic core pull system 1-fold on moving platen \- Pneumatic core pull system 1-fold on fixed platen \- Pressure relief for hydraulic core pulls \- Pressure relief for hydraulic cascade valves \- 20 hotrunner control circuits \- Combination of sockets (3 Sockets, single phase, 2 CEE sockets 16 A, 1 CEE socket 32 A) \- Potential-free contact for signal "plasticizing" on socket HAN 3 A \- Switch over to holding pressure depending on cavity pressure (Kistler) \- Quality statistics \- Chip card reading unit \- Graph display and analysis package with 10 graphs \- Trend graphics \- PV-closed loop control \- Interface for production data consisting of 5 potential free contacts inside the control cabinet \- 3 free programmable in- and outputs in the control cabinet: KraussMaffei Linear Robot LRX 350: \- Fully integrated control \- Horizontal stroke: 4000 mm \- Vertical stroke (telescopic): 2000 mm \- Demolding stroke: 1200 mm \- Maximum payload: 35 kg

Condition: good (used), Year of construction: 2005, clamping force: 27,000 kN, Equipment: documentation/manual, KraussMaffei KM 2700 MX – SP 12000 / Screw Ø120 mm MC5 controll Clamping Unit * Clamping force: 27,000 kN / 2,700 t * Mold opening force: 1,890 kN * Moving platen force, opening/closing: 342 / 294 kN * Platen dimensions: 3,020 × 2,600 mm * Distance between tie bars (H × V): 2,100 × 1,700 mm * Opening stroke: 3,000 mm * Mold height min./max.: 900 / 2,000 mm * Maximum daylight: 3,900 mm * Ejector stroke: 400 mm * Ejector force forward/backward: 400 / 200 kN Injection Unit – SP 12000 Screw diameter: 120 mm * L/D ratio: 23 * Maximum injection pressure: 1,758 bar * Stroke volume: 6,786 cm³ * Shot weight PS: 6,175 g * Injection flow rate: 1,118 cm³/s * Screw speed nominal/max.: 100 / 141 rpm * Plasticizing rate PS at nominal speed: 169 g/s * Plasticizing rate PE at nominal speed: 131 g/s * Plasticizing rate PS at maximum speed: 239 g/s * Plasticizing rate PE at maximum speed: 184 g/s * Nozzle contact force: 166 kN Electro-Hydraulic Equipment * Pump motor rated power: 132 kW * Installed heating capacity: 84 kW * Barrel heating/control zones: 7 * Dry cycle rate according to Euromap 6: 356 cycles/h * Dry cycle time according to Euromap 6: 10.1 s * Oil tank capacity: 2,440 l Dimensions & Weight * Net weight incl. control cabinet: 168 t * Dimensions (L × W × H): 14.73 × 5.03 × 3.74 m * Maximum mold weight: 72,000 kg With Electric Screw Drive * Screw drive power: 147 kW * Screw speed nominal/max.: 100 / 158 rpm * Plasticizing rate PS nominal: 178 g/s * Plasticizing rate PE nominal: 137 g/s * Plasticizing rate PS maximum: 267 g/s * Plasticizing rate PE maximum: 206 g/s With Accumulator (ZE) Injection flow rate: 1,696 cm³/s Credpfx Aksznwt Ieqjf Equipment: 4 cores hydraulic - moving platen 16 hydraulic cascades 6 pneumatic cascades Hotrunnrer controllers: 48 removable tie bar Software for Extrusion

Condition: used, Year of construction: 2003, clamping force: 1,500 kN, Equipment: documentation/manual, Injection Moulding Machine KM 150-700/C2 Crsdeyfm Ahjpfx Akqof Clamping Unit 1. Clamping force: 1500 kN 2. Platen size (h × v): 780 × 790 mm 3. Tool opening stroke: 600 mm 4. Clearance between tie bars (h × v): 500 × 500 mm 5. Minimum mould installation height: 300 mm 6. Ejector stroke: 150 mm 7. Hot runner – number of zones used: 12 8. Control of pneumatic valve pins: 1 pc Injection Unit 1. Screw diameter: 45 mm 2. Injection pressure: 2336 bar 3. Maximum shot volume: 305 cm³ 4. Maximum shot weight (PS): 278 g 5. Cores: 2× hydraulic circuit (BAP) 6. Screw L/D ratio: 22