Used Qiulin By624×14/20 for sale (36,272)

Condition: like new (used), functionality: fully functional, input voltage: 380 V, input frequency: 50 Hz, type of input current: three-phase, pressing force: 200 t, operating speed: 50 mm/s, table width: 1,300 mm, table length: 4,200 mm, ram plate width: 1,300 mm, ram plate length: 4,200 mm, distance table to ram: 300 mm, total length: 14,090 mm, total width: 2,600 mm, total height: 2,380 mm, overall weight: 13,000 kg, Equipment: 3rd hydraulic function, 4th hydraulic function, CE marking, The QIULIN BY624×14/20 industrial hydraulic press is designed for pressing and gluing flat components, veneer pressing, and the production of furniture and door elements. It features a single-platen design with two heating plates. The heating is electric, using thermal oil, with separate temperature control for the upper and lower plates. TECHNICAL SPECIFICATIONS – CATALOG DATA: – Brand: QIULIN – Model: BY624×14/20 – Country of origin: China – Type: hot hydraulic press – Pressing force: 2000 kN, 200-ton class – Number of working platens: 1 – Number of heating plates: 2 – Length of working plates: 4200 mm – Width of working plates: 1300 mm – Plate thickness: 52 mm – Maximum press opening: 300 mm – Unit pressure: 3.7 kgf/cm², approximately 0.36 MPa – Working temperature: from ambient temperature to 120°C – Total installed power: 79.35 kW – Plate closing speed: 50 mm/s – Heating: electric with thermal oil – Separate temperature adjustment for both plates – Automatic plate opening – Semi-automatic operation EQUIPMENT VISIBLE IN THE PHOTOS: – Robust frame construction – Hydraulic cylinder assembly – Hydraulic power unit – Separate control panel – Conveyor belt and table for material feeding and removal CATALOG DIMENSIONS OF THE UNIT: – Length: 14,090 mm – Width: 2600 mm – Height: 2380 mm – Weight: approximately 13,000 kg Used machine, as shown in the photos. Paid transport can be arranged. Please contact us for details. JBS Woodworking Machinery WHERE CAN YOU SEE OUR MACHINES? Dwsdoz Ix Auopfx Aa Iec JBS WOODWORKING MACHINERY WOLICA DRUGA 26 23-310 MODLIBORZYCE jbsmaszyny.pl

Condition: used, functionality: unexamined, Frisani Ice Cream Machine, Model Labo 14 / 20 C Dsdpszkilhefx Aa Ijwc - Maximum filling capacity is up to 4.5 liters per batch. - Electrical power supply: 380 volts.

Year of construction: 2021, condition: excellent (used), Weima wlk2000 refurbished by AMIS in 2021, Zerma GSE700/1400 2021 meant condition, used for PVC Dwedsz Imkaopfx Aa Ioc

Condition: ready for operation (used), Year of construction: 1997, Max. workpiece length: 3600mm, max. workpiece width: 1400mm, length: 8750mm, width: 5250mm. Dedoqvnl Tepfx Aa Ijwc

Condition: excellent (used), Year of construction: 2007, functionality: fully functional, Robotic painting robot, Yaskawa Motoman PX1450-F20, explosion-proof Controller: XRC Number of axes / robot: 6 Working radius: approx. 1435 mm Year of manufacture: 2007 Scope of supply: Robot, controller, cables, teach pendant, operating manual, wiring diagrams Dwodpfx Asz I R A Tsa Ijc Used item – shows normal signs of wear. Further details, article numbers, and images available upon request. Two weeks commissioning guarantee. No further warranty. In addition, spare parts are constantly available in stock. The robot is fully functional and can be inspected at any time. Free loading / ex-works. The stated amount is net. The legally required value-added tax of 19% will be added at checkout. You will receive a proper invoice with the value-added tax stated. Pickup on site in 74722 Buchen/Hainstadt. Shipping or freight costs vary depending on the quantity, weight, and desired delivery conditions. Shipping costs to foreign countries on request – please specify the country, city, and postal code. Freight costs on request – please provide the delivery address.

Condition: used, Year of construction: 2016, operating hours: 1,704 h, lifting height: 4,300 mm, fuel type: electric, motor manufacturer: Elektro, gearing type: automatic, Still RX20-14 electric forklift, year of manufacture: 2016, only 1,704 operating hours, previous owner: German Armed Forces. Battery: 45/2022, rated load capacity: 1,400 kg, fork length: 1,200 mm, lift height: 4,300 mm, triplex mast, hydraulic sideshift, motor: [11kW/15hp], scale with printer, weight: 3,080 kg, in very good condition, immediately ready for use! On request, we can provide you with a leasing or financing offer. Mr. Mihm (phone) will be pleased to assist you. For further information, please visit our website. Subject to errors and prior sale. Dwedpfx Asy Ttlmja Isc Power steering, cab, rental possible. = Further information = Lifting capacity: 1,400 kg Overall height: 200 cm Please contact Tobias Ebert for further information.

Condition: used, Year of construction: 2016, operating hours: 1,445 h, lifting height: 4,300 mm, fuel type: electric, motor manufacturer: Elektro, gearing type: automatic, Still RX20-14 electric forklift, year of manufacture: 2016, operating hours: only 1,445 h! Previous owner: German Armed Forces. Rated capacity: 1,400 kg. Fork length: 1,200 mm. Lift height: 4,300 mm. Triplex mast. Hydraulic side shifter. Integrated scale with printer. Motor: 9 kW / 12 HP. Weight: 3,063 kg. Very good condition. Ready for immediate use. Dsdpfx Asy Ttltoa Iowc Power steering. Cabin. On request, we are happy to provide a leasing or financing offer. Mr. Mihm will be pleased to assist you (phone number on request). For more information, please visit our website. Subject to errors and prior sale. = Further Information = Lifting capacity: 1,400 kg Overall height: 200 cm For further details, please contact Tobias Ebert.

Condition: new, Year of construction: 2014, functionality: fully functional, Lightweight robot, cobot KUKA iiwa 14 R820 Sunrise, cabinet, new/original packaging Year of manufacture: 12/2014 Number of axes: 7 Dedjz I Rwwopfx Aa Iswc Max. payload: 14 kg Max. working range: approx. 820 mm Scope of delivery: Robot, controller, cables, teach pendant Used item – normal signs of wear. Further details, article numbers, and images available upon request. Two-week commissioning guarantee. No further warranty. In addition, spare parts are constantly available in stock. The robot is fully functional and can be inspected at any time. Free loading / ex works. The stated amount is net. The legally required value-added tax of 19% will be added at checkout. You will receive a proper invoice with VAT shown. Collection on site in 74722 Buchen/Hainstadt. Shipping or freight costs vary depending on the quantity, weight and desired delivery conditions. Due to the weight and size of the robot, it could be shipped within Germany for €95 gross. Shipping costs to foreign countries on request – please specify country, city and postal code. Freight costs on request – please specify delivery address.

Year of construction: 2013, operating hours: 7,700 h, condition: repair required (used), functionality: limited functionality, machine/vehicle number: 12090, This is a recycling extruder with side feeding for materials (flakes, pellets, etc.). The system is supplied with a control cabinet and a double vacuum system. The pelletizing system is missing at the end of the screw – it is not included in the scope of supply. The cylinder ends at the flange. The extruder is supplied without a screw. The frequency inverter for the main motor was replaced with a new unit 3 years ago. Installed power approx.: 474 kW Cooling water requirement approx.: 190 l/min Fresh water consumption approx.: 110 l/h Feeding system: • Diameter of the feeding screw: 200 mm • Drive for the feeding screw: 45 kW, frequency-controlled • Hopper capacity net 7 m³/250 ft³, • Gear motor 3 × 3 kW • 2 sight glasses in the hopper • 2 level indicators Extruder: Dodpfx Ajznz Ezoa Iewc • Diameter of the extruder screw: 145 mm • L/D ratio: 24 • Heating power: 50 kW • Extruder drive unit 280 kW Vacuum 1: • Screw length: 16 L/D • Heating power: 40 kW • Vacuum pump power: 11 kW • Vacuum capacity: 225 m³/h • Vacuum pressure: 33 mbar Vacuum 2: • Screw length: 16 L/D • Heating power: 40 kW • Vacuum pump power: 7.5 kW • Vacuum capacity: 190 m³/h • Vacuum pressure: 33 mbar Cylinder: • Cylinder: Bimetal extruder cylinder, • Reinforcement layer 1.8–2.0 mm thick, • Hardness 63–65 HRC Installation conditions: • Voltage: 3 × 400 Volts • Permissible fluctuation max.: +5 % – 5 % • Frequency: 50 Hz Permissible fluctuation max.: +4 % – 4 % • Protective measure: Multiple grounding • Ambient temperature: min. 15 °C, max. 35 °C • Humidity max.: 90 % • Altitude of the installation site: 0 – 1000 m The machine was in operation at an R&D center in Israel. Since the company now operates a production facility in Europe, the R&D center is being closed. The machines will be transported to Europe at the owner's expense and can be delivered EXW at a port or at the production facility in Europe. The details for optimal transport need to be clarified. The machine price is without packaging.

Condition: used, axle configuration: 2 axles, permissible axle load (axle 1): 10,000 kg, permissible axle load (axle 2): 10,000 kg, first registration: 11/2012, loading space length: 13,610 mm, loading space width: 2,490 mm, loading space height: 2,740 mm, total length: 13,860 mm, total width: 2,550 mm, suspension: air, tire size: 275/70, tire condition: 60 %, wheelbase: 8,860 mm, color: other, Year of construction: 2012, Equipment: ABS, = Additional options and accessories = - Air Suspension - BPW Axles - Steering Axle = More information = Make axles: BPW Tyre profile: 60% Suspension: air suspension Rear axle 1: Tyre size: 275/70; Max. axle load: 10000 kg Rear axle 2: Tyre size: 385/55; Max. axle load: 10000 kg; Steering Empty weight: 8.700 kg Dwedpfx Aaoz Ib Rzj Ioc Carrying capacity: 25.300 kg GVW: 34.000 kg Registration number: OL-87-VB

Condition: used, Year of construction: 2016, operating hours: 1,212 h, lifting height: 4,300 mm, fuel type: electric, motor manufacturer: Elektro, gearing type: automatic, Still RX20-14 electric forklift, year of manufacture: 2016, operating hours: only 1,212 h! Previous owner: German Armed Forces, rated capacity: 1,400 kg, fork length: 1,200 mm, lifting height: 4,300 mm, triplex mast, hydraulic side shift, engine: [9 kW/12 HP], weight: 3,191 kg, in very good condition, immediately available for use. Power steering, cabin. We are happy to provide a leasing or financing offer upon request. Mr. Mihm (tel.) will be pleased to assist you. For further details, please visit our website. Subject to error and prior sale! = More information = Lifting capacity: 1,400 kg Dwodpfx Ajy Ttkcsa Iec Overall height: 200 cm For more information, please contact Tobias Ebert.

Condition: ready for operation (used), functionality: fully functional, Year of construction: 2017, operating hours: 7,254 h, load capacity: 1,400 kg, lifting height: 3,380 mm, free lift: 1,580 mm, fuel type: electric, mast type: duplex, construction height: 2,160 mm, battery capacity: 625 Ah, battery voltage: 48 V, fork length: 1,600 mm, tire condition: 80 %, front tire type: superelastic tires (black), front tire size: 18x7-8, rear tire type: superelastic tires (black), rear tire size: 15x4,5-8, overall weight: 3,100 kg, total height: 2,160 mm, total length: 2,050 mm, total width: 1,100 mm, fuel: electricity, Equipment: sideshift, STILL RX 20-14 / 6209 – Electric 3-wheel forklift TECHNICAL DATA Lifting capacity: 1.400 kg Djdsz App Djpfx Aa Iewc Lifting height: 3.380 mm Closed height: 2.160 mm Free lift: 1.580 mm Mast: Duplex (2F338) Fork length: 1.600 mm Fork carriage: FEM 2A Drive: Elektro Battery: 48 V/625 Ah (2017) Charger: ohne/without Tyres: Superelastik 18x7-8 (80 %) / 15x4,5-8 (60 %) Service weight: 3.100 kg Length: 2.050 mm Width: 1.100 mm Year of manufacture: 2017 Operating hours: 7.254 h Condition: working condition EQUIPMENT 3rd valve, 4th valve, Front work lights, Overhead guard cover, Front windscreen ATTACHMENTS Sideshift, Fork positioner Internal no.: 1308869 Location: 14974 Ludwigsfelde bei Berlin Unilift GmbH & Co. KG – inspected used forklifts from Ludwigsfelde near Berlin.

Condition: used, Year of construction: 2016, operating hours: 2,328 h, lifting height: 4,300 mm, fuel type: electric, motor manufacturer: Elektro, gearing type: automatic, Still RX20-14 electric forklift, year of manufacture: 2016, operating hours: only 2,328h, previous owner: German Armed Forces, rated load capacity: 1,400kg, fork length: 1,200mm, lift height: 4,300mm, triplex mast, hydraulic sideshift, engine: [11kW/15hp], weight: 3,250kg, very good condition, immediately ready for use! Leasing or financing options available upon request. Mr. Mihm (Tel. ...) will be happy to assist you. For further information, please visit our website. Subject to errors and prior sale. Power steering, cab, rental possible. = Further information = Lifting capacity: 1,400 kg Dodpfx Ajy Ttlasa Iowc Height: 200 cm For more details, please contact Tobias Ebert.

Condition: ready for operation (used), functionality: fully functional, Year of construction: 2017, operating hours: 7,931 h, load capacity: 1,400 kg, lifting height: 3,340 mm, free lift: 1,600 mm, fuel type: electric, mast type: duplex, construction height: 2,160 mm, battery capacity: 625 Ah, battery voltage: 48 V, fork length: 1,600 mm, tire condition: 40 %, front tire type: superelastic tires (black), front tire size: 18 x 7 - 8, rear tire type: superelastic tires (black), rear tire size: 15 x 4,5 - 8, overall weight: 2,931 kg, total height: 2,160 mm, total length: 1,950 mm, total width: 1,100 mm, fuel: electricity, Equipment: sideshift, STILL RX 20-14 / 6209 – Electric 3-wheel forklift TECHNICAL DATA Lifting capacity: 1.400 kg Lifting height: 3.340 mm Closed height: 2.160 mm Free lift: 1.600 mm Mast: Duplex (2F334) Fork length: 1.600 mm Fork carriage: 2A Dwodpfsz App Rex Aa Ioc Drive: Elektro Battery: 48 V 625 Ah v. 2017 Charger: ohne/without Tyres: Superelastik SE 18 x 7 - 8 (40%) / 15 x 4,5 - 8 (20%) Service weight: 2.931 kg Length: 1.950 mm Width: 1.100 mm Year of manufacture: 2017 Operating hours: 7.931 h Condition: working condition EQUIPMENT 3rd valve, 4th valve, Front work lights, Overhead guard cover, Front windscreen, Pulse control ATTACHMENTS Sideshift, Fork positioner Internal no.: 1308867 Location: 14974 Ludwigsfelde bei Berlin Unilift GmbH & Co. KG – inspected used forklifts from Ludwigsfelde near Berlin.

Condition: used, Year of construction: 2017, operating hours: 1,187 h, lifting height: 4,300 mm, fuel type: electric, motor manufacturer: Elektro, gearing type: automatic, Still RX20-14 Electric Forklift, year of manufacture: 2017, operating hours: only 1,187 hours! Previous owner: German Armed Forces. Rated lifting capacity: 1,400 kg. Fork length: 1,200 mm. Lifting height: 4,300 mm. Triplex mast. Hydraulic side shift. Engine: [9 kW/12 hp]. Weight: 3,188 kg. Very good condition. Immediately ready for use. Power steering, protective roof. Dsdpfxsy Tti Ss Aa Iewc Upon request, we will be pleased to provide you with a leasing or financing offer. Mr. Mihm (Tel.) will be happy to assist you. Further information can be found on our website. Subject to errors and prior sale. = Additional Information = Lifting capacity: 1,400 kg Overall height: 200 cm Please contact Tobias Ebert for further information.

Condition: excellent (used), Year of construction: 2017, Engel Victory 330H/200V/140 combi Ecodrive / Production line with the Sepro Multi Inject 20 robot / Operating hours: approx. 18,000 h in automatic mode Year of construction: 2017 Injection unit: Dwsdpoz Ipqpofx Aa Ijc Screw diameter: 30 mm Injection weight: approx. 100 g Injection pressure: 2400 bar Dosing volume: 113 ccm Clamping unit: Clamping force: 140 t Distance between tie bars: 0x0 mm Size of the clamping platens: 750x750 mm Ejector: hydraulic Clamping unit: hydraulic Control: CC 300 - touch screen Additional equipment: 2K injection molding machine with rotary table and robot Tie-bar-less machine, hybrid: energy-saving, high-speed and very quiet Very good technical condition Operating hours: approx. 18,000 in automatic mode Total number of operating hours: 25,369 h Euromap 67 Robot interface Air valve x 8 Hydraulic core pull x 5 Control unit with hot runners x 16 Reinforced injection units - bimetal Main motors - 2 x servo motor controlled with inverter Proportional valves on injection units - precise spraying Parallel movements Built-in pressure quality control system from Sensor Kistler - mold pressure measurement Screw diameter in the vertical injection unit: ⌀25 mm - approx. 58 g/hp It is possible to purchase the original Foboha turntable for an additional charge Turntable diameter: 740 mm Sepro Multi Inject 20 robot Year of construction: 2017 3-axis robot: 3 axes are driven by servo motors (electric): X, Y, Z (telescopic) Travel distances in axes approx.: X-4000, Y-1200, Z-1500 Automatic axis lubrication Touch control panel The safety package for robots Robot with adapter and protective housing Purchase of the robot for an additional charge Dimensions Weight: 10300 kg Length/width/height: 5.56x1.76x3.46 m All offered machines are started by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or participate in live technical tests at our company in Łódź. Price: On request

Condition: new, Tilting Transfer Table Brand: Pertici Model: BF TEA 20-14 Tilting and extendable assembly table for the production of sashes and frames. Complete with pneumatic retractable roller conveyor. Work surface with profiles equipped with anti-scratch gasket. Dimensions: Minimum width: 2,000 mm Maximum width: 3,900 mm Dwedpfey A Imdex Aa Isc Minimum depth: 1,374 mm Maximum depth: 2,400 mm Working height: 932 mm

Condition: good (used), Year of construction: 2000, Year of manufacture: 2000 75 kW Dwsdpfsz Iaf Dox Aa Ioc 1 shaft, 5 knives Hole diameter: 12 mm

Year of construction: 2005, condition: ready for operation (used), Screw diameter: 114mm, max. PVC throughput: 600 kg/h, max. screw speed: 20/min, number of heating zones for molds: 12, motor power: 76 kW, rated voltage: 3x 415V AC, rated current: 353A, rated power: 218kW, weight: 7.1t, operating hours: approx. 90,000h. Screws: Geometry designed for PVC profiles, water-cooled, cylinders: nitrided, air-cooled, equipped with a new PLC control system, vacuum pump, and power inverter for the main motor. An on-site inspection is possible. Dwsdpjzh Nibofx Aa Iec

Condition: used, axle configuration: 3 axles, permissible axle load (axle 1): 9,000 kg, permissible axle load (axle 2): 9,000 kg, permissible axle load (axle 3): 9,000 kg, first registration: 09/2007, total length: 9,290 mm, total width: 2,470 mm, suspension: air, tire size: 385/65, tire condition: 30 %, wheelbase: 7,460 mm, color: other, Year of construction: 2007, Equipment: ABS, = Additional options and accessories = - Air Suspension - BPW Axles - Drum brakes = More information = Axle configuration Dsdpfxszvbdae Aa Iswc Tyre size: 385/65 Brakes: drum brakes Suspension: air suspension Rear axle 1: Lift axle; Max. axle load: 9000 kg; Make axles: BPW; Tyre profile: 30% Rear axle 2: Max. axle load: 9000 kg; Make axles: BPW; Tyre profile: 30% Rear axle 3: Max. axle load: 9000 kg Weights Empty weight: 3.983 kg Carrying capacity: 37.017 kg GVW: 41.000 kg Identification Registration number: OJ-16-YP

Condition: used, axle configuration: 3 axles, permissible axle load (axle 1): 9,000 kg, permissible axle load (axle 2): 9,000 kg, permissible axle load (axle 3): 9,000 kg, first registration: 09/2007, total length: 9,290 mm, total width: 2,470 mm, wheelbase: 7,460 mm, color: other, Year of construction: 2007, Equipment: ABS, = Additional options and accessories = - ADR - Air Suspension - BPW Axles Djdpfoztrgyox Aa Iswc - Drum brakes = More information = Rear axle 1: Lift axle; Max. axle load: 9000 kg Rear axle 2: Max. axle load: 9000 kg Rear axle 3: Max. axle load: 9000 kg Empty weight: 3.983 kg Carrying capacity: 37.017 kg GVW: 41.000 kg Registration number: OJ-12-YP

Condition: excellent (used), Year of construction: 2018, Krauss Maffei KM 200-1400 CX with Krauss Maffei LRX Easy Control 100 Robot / Operating hours: 12,000 h in automatic mode Year of manufacture: 2018 Injection Unit: Screw diameter: 60 mm Shot weight: 617 g Injection pressure: 2007 bar Dosage volume: 679 ccm Clamping Unit: Clamping force: 200 t Tie bar distance: 560x560 mm Platen size: 915x915 mm Ejector: hydraulic Clamping unit: hydraulic Control system: MC6 – touchscreen Additional equipment: Very good technical condition Operating hours: 12,000 h in automatic mode Euromap 67 Robot interface Air valve with vacuum measurement x 1 Hydraulic core pull x 3 Pneumatic core pull x 3 Control system for hot runner zones x 10 Hardened injection unit – bimetallic Energy-efficient machine – features a system with 3 variable displacement hydraulic pumps Parallel movements Dwedpfxez Ipm Rj Aa Ioc Proportional valve on injection unit – precise injection Machine manufactured in December 2018, delivered to customer in 2019 Krauss Maffei LRX Easy Control 100 Robot Year of manufacture: 2019 4-axis robot: 3 axes driven by servo motors (electric); axis C – pneumatic Touch control panel Safety package for robot Robot with interface, conveyor belt, and safety enclosure Purchase of robot and conveyor belt at additional cost Dimensions: Weight: 11,500 kg Length/Width/Height: 6.10x2.20x2.30 m All machines offered are started up by our service technicians before sale. It is possible to receive a video of the technical tests for the selected machine, or to participate in live technical demonstrations at our premises in Łódź. Price: Upon request

Condition: good (used), machine/vehicle number: 13131, Year of construction: 2013, operating hours: 14,340 h, load capacity: 1,400 kg, lifting height: 3,400 mm, free lift: 1,570 mm, load center: 500 mm, fuel type: electric, mast type: duplex, construction height: 2,130 mm, battery voltage: 24 V, fork length: 1,200 mm, front tire size: 18x7-8, rear tire size: 15x4,5-8, overall weight: 3,097 kg, Equipment: 3rd hydraulic function, enginetype: Electric, manufacturer: Still Dwsdpfx Ajyld Rpja Ioc Serial Number: 516209D00196 Battery Details: 24V 5PzS 625Ah (aus 2015)

Year of construction: 2024, condition: used, Manufacturer: Ziemex Processing Equipment Year: 2024 Model: Z-compact Dwedpfx Aaez Iubme Ioc Serial number: 1403204 Type: Welded plate heat exchanger Material: 1.4404 stainless steel (316L) Fluid: Oil (circuit B) / Water (circuit A) Circuit B volume: 59 L Circuit A volume: 6 L Permissible pressure: 0 to 6 bar Permissible temperature: 0 to +200 °C (circuit B) / 0 to +110 °C (circuit A) Test pressure: 9.5 bar (circuit B) / 8.7 bar (circuit A) Fluid group L1G GR2 Heat exchange surface area: 4.2 m² Unladen weight: 142 kg The Z-compact® welded plate heat exchanger combines the thermal efficiency of a plate heat exchanger with the mechanical robustness of a shell-and-tube heat exchanger. L'échangeur de chaleur à plaques soudées Z-compact® allie le rendement thermique d'un échangeur de chaleur à plaques à la robustesse mécanique d'un échangeur de chaleur à calandre et tubes. Under equivalent operating conditions, the Z-compact® offers better heat transfer than a conventional tube-and-shell heat exchanger. Its heat transfer surface is more efficient and its pressure drops are lower.

Condition: excellent (used), Year of construction: 2017, functionality: fully functional, Specification: Length of cut: 3100mm Width of Cut Vertical: 2070mm Dodoyzf E Uspfx Aa Iswc Width of Cut Horizontal: 1958mm Depth of Cut: 60mm Motor Power: 5.3HP Saw Blade Dia: 250mm Saw Blade Bore: 30mm 400V 50Hz