Used Scm Si 3200 for sale (578)

Year of construction: 2010, condition: like new (used), I sell the panel beam saw SCM Sigma Prima 67. Year 2010. Cutting size 3300x3200mm. Iodji Evbzjpfx Ab Isa Cutting height 67mm. Max saw blade diameters 320 + 160mm Main motor 7,5kW Scoring motor 1,3kW Total power 10kW Total area covered W.5400mm x D.7000mm 8 pcs. gripper with pneumatic regulation Side alignment top roller with pneumatic stroke. WinCut optimising software included. Label printing included. Software Ottimo Perfect Cut included. Very good condition. Available immediately.

Condition: good (used), Code: 0247 Brand: SCM Model: L'INVINCIBILE SI 6000 - CE Standard Automatic panel saw with TOUCH SCREEN VANGUARD electronic control and tilting blade with scoring unit for precise cutting of panels, furniture, custom-made furnishings, kitchens, window frames, doors, plastics, composite materials, and various - CE Standard Isdpfexz Ekbjx Ab Iea Sturdy structure to ensure maximum working precision Cast iron worktop with extension top Patented SCM sliding carriage in extruded aluminum with large section, rigid and with closed lattice structure for maximum resistance even with heavy loads Parallel guide with precision at 25 m/min Automatic adjustment of scoring unit 2 digital displays on the square guide VANGUARD TOUCH SCREEN control - Manual, semi-automatic, and automatic modes - Operator assistance system - 12-inch color video and Touch Screen function Full Support frame tiltable from + 50° to - 50° for angled cuts with panels of any size Overhead control panel Start/stop buttons integrated into the carriage Technical data: Carriage length 3200 mm Extendable fence for square cuts up to 3200 mm Cutting width with parallel fence 1500 mm Blade diameter 400 mm F30 Scoring blade diameter 120 mm F20 Max cutting height at 90° 130 mm Max cutting height at 45° 92 mm Blade motor power 7,5 Hp Scoring blade motor power 0,75 hp Suction port diameter mm 120/100 Overall dimensions of assembled machine mm 3400 x 4300 x 1720 h Overall dimensions for transport mm 3400 x 2350 x 1720 h Weight kg 1380

Condition: used, Year of construction: 2022, Sliding table: 3200 mm, cutting width: 1000 mm, CNC parallel fence, scoring unit, angle stop with digital display, electro-motorically tiltable and height adjustable, control panel at eye level. Storage location: Nattheim. Isdpfx Aboxqtvqe Ija

Condition: used, Year of construction: 2012, functionality: fully functional, cutting length (max.): 3,200 mm, cutting width at rip fence: 1,270 mm, cutting height (max.): 100 mm, saw blade diameter: 315 mm, main saw diameter: 315 mm, trimming length: 3,200 mm, type of input current: three-phase, input voltage: 400 V, - Year of manufacture: 2012 TECHNICAL SPECIFICATIONS: - Max. saw blade diameter: 315 mm - Cutting length: 3200 mm - Max. cutting height: up to 100 mm Ijdpfsxdyvdox Ab Isa - Angle cutting: 0-45 degrees - Saw blade speed: 4000 rpm - Main motor power: 5 kW - Scoring unit motor power: 0.9 kW - Max. parallel cut: 1270 mm - Weight: 800 kg

Condition: new, Year of construction: 2025, Panel Saw Holzkraft / SCM minimax si 4 - 400 / 32 With tilting saw blade and anodised aluminium sliding table Article number: 5504932 Brand: Holzkraft Heavy-duty worktable made of strongly ribbed cast iron – for maximum stability and durability Robust welded steel base – ensures high torsional rigidity and vibration-free operation Precision sliding table made of anodised aluminium – smooth running via high-quality ball contact system Carbide guide rails – for lasting precision and minimal maintenance Tilting cast iron saw unit with double segment guide – precise zero-point tilt for highest cutting accuracy Heavy-duty rip fence with round bar guide Equipped with adjustable eccentric clamp Integrated mitre cutting device on the sliding table – for quick and precise mitre cuts Scoring unit with powerful separate drive motor Equipped with high-quality crosscut fence – with heavy-duty telescopic stop, integrated roller for easy loading and unloading, inclined scale for comfortable reading and practical eccentric clamp for secure hold Saw blade speed adjustable in two stages Practical saw blade pendulum guard TECHNICAL DATA Dimensions and Weights Weight (net) approx. 670 kg Extraction Connection Extraction port diameter: 120 mm Extraction port diameter at saw blade guard: 80 mm Electrical Data Connection voltage: 400 V Mains frequency: 50 Hz Scoring motor power: 0.65 kW Rated output (motor power): 7.0 kW Duty type (main motor): S6 Duty cycle (main motor): 40% Sliding Table and Table Sliding table length: 3200 mm Sliding table width: 360 mm Sliding table height: 175 mm Table length: 1000 mm Table width: 560 mm Table height: 900 mm Saw Unit Cutting width with rip fence: 900 mm Max. crosscut width left of saw blade: 3200 mm Crosscutting length: 3200 mm Saw blade tilt: 90 - 46° Max. cutting height at 90°: 136 mm Max. cutting height at 45°: 97 mm Note on max. cutting height: Independent of the scorer Saw blade diameter: 400 mm Note on saw blade diameter: Independent of the scorer Saw blade speed: 3500/5000 rpm Scoring Unit Scoring blade diameter: 120 mm Scoring blade speed: 9200 rpm Features Scoring unit: with separate scoring motor Ijdpfxsxw N Sbo Ab Isa Anodised aluminium sliding table Handle for sliding table Crosscutting fence Material roller on crosscutting fence Rip fence: with round bar guide Stops: Two professional folding stops Crosscutting shoe Eccentric clamp Table extension Table widening Saw blade pendulum guard Manual height adjustment and tilting of saw unit Location: ex stock 54634 Bitburg - immediately available -

Condition: excellent (used), Catalogue number: 7791 TECHNICAL SPECIFICATIONS - max diameter of main blade with scorer: 350mm - max cutting height: 105mm - main blade adjustable up/down + tilt - spindle diameter: 30mm - spindle lock - with sliding table - cutting length on the sliding table: 1430mm Isdpfsxpvk Isx Ab Iea - cutting width at rip fence: 1000mm - with side table - with scorer - max scorer diameter: 80mm - scorer spindle diameter: 20mm - main motor: 5.5kW - extraction port diameter: 100mm - table dimension: 115x625mm - table size with extension and widening: 2150x1105mm - blade guard - 3 blade speeds: 3200/4500/6000rpm - dimensions (L/W/H): 2300x3350x1520mm - weight: 746kg Net price: 11,900 PLN Net price: 2,830 EUR (based on exchange rate 4.2 EUR) (Prices may vary due to significant exchange rate fluctuations)

Condition: used, Year of construction: 1995, 1500mm trolley Cutting guide 1280mm Stop length 2690mm Cutting height 80mm 45° tilting blade Iedpfoxt Iqhex Ab Ioa Engine braking No incisor!!! 380V

Condition: used, Year of construction: 2004, Weight: 1.207 kg Note: Screen is defective. Both saws can be operated from the screen. The other axes do not respond (height, rear tilting fence). - Year: 2004 Iodpfxjxruqle Ab Ija - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: AB/167923 - Transport weight [kg]: 1207kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: used, Year of construction: 2004, Saw unit: pivots 45°. Carriage length: 3200 mm. Maximum saw blade diameter: 450 mm. Saw blade bore: 30 mm. Motor power: 7.5 kW. Max. Cutting width: mm Control panel: at eye level Height adjustment: input via keyboard Tilt adjustment: input via keyboard Tilt angle display: digital Cutting width display: digital Table extension length: yes Cross-cutting at the cross stop: 3200 mm Cross stop display: scale Scoring device adjustment: electric Scoring blade: PSV Protective cover: yes End position lock: yes Automatic motor brake: yes Speeds: 2500/3500/5000 rpm Description: Cutting height at 450 sheets, 150 mm Weight approx.: 1180 kg Dimensions: 3200 x 1800 x 1800 mm Extraction diameter: 1 x 80, 1 x 120 mm Storage location: Nattheim Iodpfx Aexv D R Ajb Isa

Condition: used, Year of construction: 2006, functionality: fully functional, cutting width (max.): 1,270 mm, power: 75 kW (101.97 HP), sliding table length: 3,800 mm, CIRCULAR SAW SCM MOD. SI450 N Iodpfx Asmzbm Reb Isa - Carriage mm. 3800 - Cutting width 1270 mm on parallel fence - Motor 7.5kw - Year 2006 (CE)

Condition: new, Year of construction: 2025, Panel Saw Holzkraft / SCM minimax si 4 - 400 / 32 M A With tilting saw blade and sliding table made of anodized aluminium Item number: 5504933 Brand: Holzkraft TECHNICAL DATA Dimensions and Weights Weight (net): approx. 690 kg Dust Extraction Iedpfsxw N N Hex Ab Isa Extraction port diameter: 120 mm Saw blade guard extraction port diameter: 80 mm Electrical Data Connection voltage: 400 V Mains frequency: 50 Hz Scoring motor power: 0.65 kW Output power (main motor): 7.0 kW Rated duty cycle (main drive): S6 Duty cycle (main drive): 40% Sliding Table and Worktable Sliding table length: 3200 mm Sliding table width: 360 mm Sliding table height: 175 mm Table length: 1000 mm Table width: 560 mm Table height: 900 mm Saw Unit Cutting width with rip fence: 900 mm Max. crosscut width left of blade: 3200 mm Edging length: 3200 mm Saw blade tilting range: 90 - 46° Max. cutting height at 90°: 136 mm Max. cutting height at 45°: 97 mm Note max. cutting height: independent of scorer Saw blade diameter: 400 mm Note saw blade diameter: independent of scorer Saw blade speed: 3500/5000 rpm Scoring Unit Scoring blade diameter: 120 mm Scoring blade speed: 9200 rpm EQUIPMENT Scoring unit with separate scoring motor Anodised aluminium sliding table Handle for sliding table On/off switch on sliding table for main and scoring blade motors Edging frame Material roller on edging frame Rip fence with round bar guidance Stops: two professional folding stops Edging shoe Excenter clamp Table extension Table width extension Pendulum-type saw blade guard Motorised height adjustment and tilt of saw unit, digital tilt angle display Location: ex stock 54634 Bitburg - immediately available -

Condition: new, Year of construction: 2025, New machine Year of manufacture: 2025 Features and technical data: Technical specifications: Main saw blade diameter (mm): 550 Panel cutting with pull-out fence and sliding table 3200 mm: 3200x3200 Saw blade tilt (degrees): 46 Max. cutting height at 90° (mm): 200 Max. cutting height at 45° (mm): 130 Saw blade speed (rpm): 2500-3500-5000 Scoring blade speed (rpm): 8500 - Extraction port diameter: - on frame: 120 mm - on saw blade guard: 100 mm Main motor power [S6 -40%] Hz50 kW: 7 Scoring blade motor power [S6 -40%] Hz50 kW: 9 Cutting width at rip fence (mm): 1000 Isdpexavrgefx Ab Iea Standard equipment and accessories: - Optimizer/processing control app for tablets: SCM Thundercut The app can be downloaded from the App Store or Play Store on tablets compatible with iPadOS or Android. It can be activated using the QR code supplied with the machine. The app enables you to: * Manage the machinery fleet and materials or panel stock * Create and edit projects, import projects from main furniture design software (file format "cpout"), and import cutting lists * Optimize cutting lists by selecting one or more proposals from the app’s integrated optimization software * Properly set up the machine for each cut, thanks to the simple and intuitive graphics of the 3D sequencer that guide the operator through every step * Print barcode labels for marking different parts via Bluetooth with compatible label printers - 10-year warranty on the sliding carriage system - Maximum saw blade diameter: * Up to 450 mm with scoring saw blade mounted * Up to 550 mm without scoring saw blade - eye-S 15" electronic control system including: * 15" touchscreen monitor * Direct control of the following axes in manual, semi-automatic, automatic, and incremental modes: - Main saw blade height adjustment - Saw unit tilt adjustment - Rip fence adjustment - Scoring blade height and lateral adjustment (the scorer is automatically raised to the set position when switched on and lowered when switched off) * Operator assistance functions for complex cutting operations * Storage capability for up to 1000 programs with corresponding images * Storage for up to 1000 different tools with corresponding images * Cutting sequence management for preloaded parametric machining programs * Environment for creating and storing new sequenced working programs * Automatic acquisition of working dimensions from the Thundercut App * USB port * Prepared for network connection - Auxiliary function of the electronic control system, including: * Determination of the correct stop position on the longitudinal fence for panel machining with tilted saw blade * Determination of the correct stop position on the longitudinal fence for angle cuts with the mitre fence on the work table with or without tilted saw blade - Swivelling control panel above table

Condition: new, functionality: fully functional, NOVA SI 400 SEGA CIRCOLARE MANUALE A LAMA INCLINABILE 109999 Standard safety regulations R10075 nova si 400 CE version 930731 Volt 400 EU 931201 Frequency 50 Hz 570321 Motor start/stop pushbuttons 570233 Squaring fence with no. 2 LCD readouts for stops position 570322 Squaring frame with CompeX device 570343 Visualizzatore digitale per la lettura della quota sulla guida parallela 570126 Ripping capacity on parallel fence 1500 mm Iedpfx Abeqw U Ado Isa 570133 Motor 9kW 50HZ (11kW - 60 HZ) 570107 Eccentric clamp

Condition: used, Year of construction: 2004, total length: 3,600 mm, total width: 1,800 mm, total height: 1,750 mm, Weight: 970 kg Price: On request - Year: 2004 - Documentation available: No - Serial number: AB/166667 - Roller table length [mm]: 3200 - Table width [mm]: 1040 - Min. saw blade diameter [mm]: 300 - Max. saw blade diameter [mm]: 400 - Options: Scoring unit - └ Spindle speed pre-cutter [rpm]: 8500 - Spindle speed: - └ Min. spindle speed [rpm]: 3000 - └ Max. spindle speed [rpm]: 5000 - Voltage [V]: 400 - Current consumption [A]: 18 - Transport dimensions: 3600mm x 1800mm x 1750mm (l x w x h) - Transport weight [kg]: 970kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Iedpfxexdlxko Ab Ioa Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: repair required (used), Year of construction: 2005, functionality: limited functionality, machine/vehicle number: AB/174517, Unfortunately the display has stopped working and needs fixed or replaced. Price is set with the repair price in mind. Iedoxgvv Sepfx Ab Ija

Condition: excellent (used), Year of construction: 2018, Circular saw with +/- 46° double blade tilting with 3 controlled axis - Version READY 3 UP - CE Standard equipped with following optionals : Ijdpfx Abjxgbzmj Ioa Start buttons integrated into the sliding table Squaring frame with Compex device Squaring fence with n° 2 LCD displays for position reading Technical data: Max. saw blade diameter with mounted scorer mm 400 Njdmay Tmod Dc Ecebewl Maximum saw blade projection from table to 90°/+46°/-46° mm 136/97/60 Cutting width on rip fence mm 1270 Squaring capacity mm 3200

Condition: used, Year of construction: 2010, Carriage length: 3200 mm Cutting width at the width stop: 1250 mm Cutting width at the cross-cut fence: 3200 mm Cutting depth: 150 mm Scorer: Yes Saw blade height adjustment: electric / position control Swivel adjustment saw blade: electric / position control Width stop adjustment: electric / position control Saw blade angle display: digital Cutting height display: Digital Width stop display: Digital Isdpfx Aevadx Eeb Isa Cutting ruler display: Digital Saw blade diameter: 400mm Speeds: 3 Motor power: 5.5kW Motor brake: Yes, automatic Suction connection: 80mm and 120mm Machine length: 3500mm Machine width: 2200mm weight: 1000kg

Condition: new, Max. cutting height at 90° (mm) 140 with 400 blade Max. cutting height at 45° (mm) 97 with blade 400 Saw blade tilt (degrees) 45 Manual lifting and tilting of the saw blade unit Saw blade speed (rpm) 3700 Scoring speed (rpm) 8500 Main motor power (kW) 50 Hz 9.0 with auto. Star/delta switch Scoring unit power (kW) 50 Hz 1.3 Format cuts (mm) 3200x3200 Cutting width for parallel cuts (mm) 1270 Suction nozzle diameter (mm) 120, 80, 60 10-year warranty on the guide system of the saw carriage Trimming carriage with anodized aluminium profile with guide made of hardened, ground and flanged steel guides Height adjustment and tilting of the saw unit via handwheels on the front of the machine and display of the tilting via mechanical digital displays Trimming frame for quick positioning of the fence for mitre cuts - Telescopic fence with 2 fence flaps and scale in user direction - Telescopic support - Idler roller for panel loading and unloading 2 reversible stops on the longitudinal fence Table extensions in the outfeed Saw fence for parallel cutting complete with: - Cast iron support - micrometric adjustment and eccentric clamping device - Round guide made of ground steel, 45 mm diameter scoring unit with independent motorization adjustable from the outside and stops for easy saw blade positioning Emergency stop switch on the front Emergency stop switch on the side in the area of the rip fence (CE version) Thermal circuit breaker Saw blade pendulum guard with integrated extraction, extraction nozzle with DM 80 mm Automatic motor brake on the main saw blade Lockable main switch 110 V auxiliary circuit C.E. Declaration of Conformity Iodpfx Abjit I Sbe Iea incl. digital dimension display for the rip fence

Condition: used, Type SI 15 WF Dimension of sliding table 2700x2300mm Table travel 2600 mm Ijdpfxjitvd Is Ab Ija Max. the length of the ruler by saw 900 mm Saw blade diameter 400 mm Blade tilt 0-45 deg Table size: 1150x630 mm Main spindle diameter 30 mm Main motor 11 kW 380 V Maximum clearance 140 mm Transport dimensions 2700 2700x1800x1200 mm Weight 820 kg Price 1200 Eur (EXW Jonava, Lithuania)

Condition: new, Technical data: Max saw diameter: 400 mm Min saw diameter: 250 mm Saw spindle diameter: 30 mm Scorer diameter: 120 mm Scorer spindle diameter: 20 mm Scorer on a separate engine Manual saw height adjustment Tilting saw at an angle from 0° to 45° Ijdpfx Asv S Uz Iob Isa Manual adjustment of the saw angle Carriage length: 3200 mm Carriage lock Work table: 1450 mm x 1030 mm Table height: 920 mm Table extensions 2 x Culaga Guard Safety switch Power supply: 380 V Main engine power: 7 kW Overall dimensions: Length: 3430 mm Width: 1900 mm Height: 1560mm

Condition: excellent (used), Table length 300 cm Isdommci Ujpfx Ab Isa Ground clearance 105 cm Undercutter 5,5 kW engine

Condition: new, Basic equipment and accessories10-year guarantee on the guide system of the saw carriage- Saw carriage with anodized aluminum profile guide made of hardened,ground and flanged steel guides- Saw carriage length 3200mm- "READY" electronic control, 2-axis control (3rd axis onrequest) with:- Height adjustment and inclination of the saw unit (control of therip fence on request)- Management of the tool data with automatic correction of theCutting height in relation to the angle of inclination of the saw blade- Manual, semi-automatic and automatic mode with 99storable work programs- Additional functions: calculator and hour meter- Trimming frame for quick positioning of the stopmiter cuts- Table extensions in the outlet- Cutting length at the rip fence 1270 mm- 2-axis control with 99 programsMotor 7kW 50Hz (8kW 60Hz)- Motor with direct connection with push buttons- Three main saw blade speeds- Scoring unit with independent motorization, externally adjustable andStops for easy saw blade positioningSecurity/Protection- Emergency stop button on the front- Emergency stop button on the side near the rip fence (Version CE)- Thermal protection switch- Saw blade swing protection (version CE) integrated suction, suction nozzlewith a diameter of 80 mm- Saw blade swing protection with integrated suction, suction nozzle with 80 mmdiameter- Automatic motor brake on the main saw blade (CE version)- Lockable main switch- 110 V auxiliary circuit- CE Declaration of Conformity (CE version)Technical specificationsMax cutting height at 90° (mm) 140 with blade 400Max cutting height at 45° (mm) 97 with blade 400Saw blade tilt (degrees) 45Programmed lifting and swiveling of the saw blade unitSaw blade speed (rpm) 3000- 4000- 5000Scorer speed (rpm) 8500Main engine power (S6 -40%) kW (hp) 50 Hz 7 (9.5)Scoring unit power (S6 -40%) kW (HP) 50 Hz 1.3 (1.7)Format cuts:- with trolley 1600 (mm) n.a.- with trolley 3200 (mm) 3200x3200Cutting width for parallel cuts (mm) 1270Suction nozzle diameter:- on frame (mm) 120- on the saw blade guard (mm) 80- on the riving knife (mm) n.a.Net weight base machine (kg) 1050109999 Execution according to safety regulationsR10078 nova si 400ep CE version930731 volts 400 EU931201 Frequency 50 Hz570343 Digital readout for rip fenceComplete with:- Digital display and magnetic tape570133 Motor 9kW 50Hz (11kW 60Hz) with automatic star/delta switch kW9 HP12 Hz50 (kW11 HP15 Hz60)083202 base109993 MACHINE LANGUAGE: German Iodpfsvxr Skox Ab Ija

Condition: reconditioned (used), Year of construction: 2001, functionality: fully functional, machine/vehicle number: AB141760, cutting width (max.): 1,500 mm, cutting width at rip fence: 1,500 mm, power: 7.5 kW (10.20 HP), sliding table length: 3,200 mm, Equipment: scorer, SCM sliding table saw, model SI 400 E Connected load 380V Main motor 7,5kW Scoring motor 0.75kW Length of trimming carriage 3200 mm Cutting width 1500 mm Table extension 840 x 320 mm Iedotwp Epjpfx Ab Iea Parallelogram guard with wide and narrow hood Scoring unit manual adjustment electric height adjustment electric swivel with siko display Suction connection 1x100mm 1x120mm

Condition: new, Saw unit swivels 46 ° on both sides. Programmable, electric saw blade adjustment Control unit with electronic display for saw blade tilt and lift Torsional rigidity and vibration-free working Easier plate feeding due to large trimming frame with roller Telescopic ruler with 2 professional folding stops Excellent cutting precision scoring unit equipped with its own motor - easily adjustable from the outside saw blade diameter of 400 mm scoring saw blade with a diameter of 160 mm 2-position saw blade pendulum protection manell adjustable 3-axis controlled Motorized rip fence with electronic positioning includes: Position display via an encoder Adjustment via ball screw Stepless adjustment via switch or automatic positioning system Cutting width 1270 mm Programmed movement of motorized adjustment and tilting for saw unit UP version with swivelling control panel for maximum flexibility X version with Compex miter fence for quick and accurate execution of miter cuts with automatic compensation of the stop position. (Length compensation) incl. options: - cutting lenght 3200 mm - on / off buttons for main motor and scoring unit integrated in saw carriage - CompeX frame - Version "READY 3 UP" - 2 saw speeds (3500/5000 U/min) Max. cutting width with rip fence 1270 mm Format cuts 3200 mm main motor 7,0 kW, 400 V, 50 Hz Saw blade angle -46 - 46 ° Max. cutting height 90° 136 mm Max. cutting height 45° 97 mm Max. cutting height -45° 60 mm saw blade diameter 400 mm Diameter scoring saw blade 160 mm (Main) saw blade speed 4000 min¯¹ Dust extraction ports 120 & 80 mm Isdpfed Akygex Ab Ioa

Condition: new, Features: 5-axis electronic control overhead control panel, rotatable electronic adjustment for scoring unit automatic rip fence with movement on screw and ball pushing linear guide start / stop pushbuttons integrated in the carriage “Quick Lock” squaring fence sliding carriage with 'arc' profile - 10 years warranty telescopic swing arm made of large dimensioned extrusion and linear guide on recirculating ball bearings Technical Data: saw blade DM mm 550 scoring unit blade DM mm 120 squaring capacity mm 3200x3200 tiltig capacity deg. 0 +46 max. cutting height at 90° mm 200 max. cutting height at +45° mm 130 saw blade speed RPM 2500, 3500, 5000 scoring unit blade speed RPM 8500 DM suction connections mm 120 & 100 main motor Hz 50 kW 7,0 scoring unit motor Hz 50 kW 1,3 Ijdpfecrnm Njx Ab Ija cutting capacity right side mm 1500 incl. following options: 570335 "Pro-Lock" system for quick changing of main saw blade without tools