Used Wood Products for sale (21,844)

Condition: ready for operation (used), Year of construction: 1978, The machine is in perfect working condition. Demonstration on site or live video in action is possible. Tsdpfxov Uaane Amksa

Condition: ready for operation (used), The machine is in perfect working condition. Demonstration on site or live video demonstration is possible. Tsdpev Uabfsfx Amksa

Condition: used, functionality: fully functional, Machine for tongue and groove cross profiling of wood flooring Tedpjv Uan Sofx Amkja

Condition: excellent (used), Catalog number 8033 TECHNICAL DATA max. width of the workpiece – upper shaft 510mm max. width of the workpiece – lower shaft 450mm max. thickness of the workpiece, processed on both sides 200mm – from above: feed roller ratchets 1 metal, toothed feed shaft 2 metal, sequential feed shafts 1 metal, toothed feed shaft pressure roller planing shaft 510mm, 4 knives, with the possibility of installing profile knives approx. 7.5kW smooth, metal feed shaft upper pressure roller at the outlet with 2 feed rollers – from below: adjustable infeed table with guide planing shaft 300mm, 3 knives 3kW slip feed shaft, metal planing shaft 450mm, 4 knives 5.5kW 2 smooth, metal feed shafts – from the back: 2 side spindles 1) vertical, right 150mm 4kW 2) vertical, left 150mm 4kW spindle diameter 40mm spindles adjustable up/down, right/left spindles lockable axes arranged alternately electric height adjustment 2 types of feed speed + stepless 5-13, 13-36m/min Todpfx Amszipbtokea dust extraction nozzle diameter 2x120mm, 150mm dimensions length/width/height 3200x1500x1600mm + control panel weight 1980kg – manufactured in Portugal – electric table lifting – ideal for processing wet and dry wood – 3 planing shafts + 2 spindles – very good condition – used planer Net price: 38900 PLN Net price: 9260 EUR, depending on the exchange rate of 4.2 EUR (Prices may vary due to significant exchange rate fluctuations)

Condition: used, HAAS Wood Chip Screening Machine Tsdpfszmfq Sex Amksa Manufacturer: HAAS Recycling Systems Country of origin: Germany Type: Vibrating chip screen Designed for screening wood chips, bark and biomass materials Suitable for separating fine particles and contaminants Vibrating screening system Multiple material discharge fractions Approximate dimensions: Length: 4.29 m Width: 2.10 m Suitable for woodworking and biomass processing industries

Condition: new, NOISE BARRIER PRODUCTION LINE The noise barrier production line includes several machines, such as: Decoiler, Straightener Feeder, Main Roll Forming Machine (150 T, H-type), Punching Device, Cutting Machine, and Stacking Unit. IN ADDITION Custom-made hydraulic scissors (standard, non-length cut) – Servosteel Türkiye TS EN 1793-1 (absorption) certificate TS EN 1793-2 (insulation) certificate Tjdoziwvlopfx Amkja 3 aluminum molds for the A140 series (System Aluminum Türkiye) 3 aluminum molds for the A160 series (System Aluminum Türkiye) A140/A160 side cover EPDM wicking mold

Condition: used, Mitteltrennschnitt Einrichtung / Centre Cut for Double Production Müller Martini 360 Baujahr / Year 2007 - Serial-No. For Müller Martini Saddle Stitcher Type 360 - 4/5th trimmer knife attachment Todpfx Aswryppomkja Mitteltrennschnitt Einrichtung für Müller Martini Sammelhefter Type 360 Online-Video-Inspection by WhatsApp - MS Zoom - Telegram On Stock Emskirchen/Nürnberg - Available Immediately - Can be test

Condition: used, Karten- und Warenprobenkleber - Card and Product Sample Adhesive Kolbus KI 224 ZU Baujahr / Year 2003 - Serial-No. 356009 For cards, envelopes, bags and booklets of the following formats: Für Karten, Umschläge, Taschen und Hefte in folgenden Formaten: Format / Size min. 40 x 60mm - max. 220 x 350mm Geschwindigkeit / put 18.000 Ex/h (depending on type, size and  properties of base and product up to) Heißleim Schmelzgerät / Hot Glue (commercial products) Nordon 3100V-3EA Aufbau, zum Anbau an der Zusammentragmaschine, Design / compat appliance for attachment to a collating machine Antrieb über Zahnriemen von der Hauptwelle zur ZU 840 / Drive toothed belt from main shaft to ZU 840 Steuerung: Elektronische, interaktive Mikroprozessor-basierte Steuerung mit Einstellung von Vorlaufzeit und Leimstreifenlänge /  Control: micro-processor based control unit with adjustment of lead-time and length of the glue  Tjdpjwqftkefx Amksa Online-Video-Inspection by WhatsApp - MS Zoom - Telegram On Stock Emskirchen/Nürnberg - Available Immediately - Can be test

Condition: used, Year of construction: 2023, operating hours: 2,600 h, functionality: fully functional, total width: 18,500 mm, total length: 23,000 mm, compressed air connection: 6 bar, type of input current: three-phase, input current: 500 A, power: 275.5 kW (374.58 HP), space requirement length: 23,000 mm, space requirement width: 18,500 mm, For sale is a state-of-the-art, fully integrated wood pelletizing and shredding line (built in 2023) for processing A1-grade waste wood and disposable pallets into high-quality heating pellets. Todpfxozhbf Ie Amkoa This turnkey complete system covers the entire process, from material feed to two-stage shredding, metal separation, suction and filtration technology, pelletizing, cooling, and bagging into big bags or smaller containers. Equipment: * Automatic scraper floor hopper with feeding system * AMIS shredder ZWS 1700 * High-performance cutting mill * Belt conveyor magnet and metal separator * SPÄNEX suction and filtration system with fire protection * GreCon spark detection system * 10 m³ material hopper with dosing system * 2 × ECOKRAFT pellet presses LP22 * Rotary screen systems with conveyor belts * Big bag system and semi-automatic bagging system Technical data: * Year of manufacture: 2023 * Total connected load: 275.5 kW * Required fuse rating: 500 A / 400 V * Production capacity during test run: approx. 460 kg/h * Space requirement: approx. 23 × 18.5 m The system is in near-new condition and is available immediately. Detailed technical documentation with all components and specifications is available and will be provided upon request.

Condition: used, Year of construction: 2003, machine/vehicle number: 20520, Trennsäge - Splitting Saw Metris MT 817Year 2003 - Serial-No. 020520P Complete clean and Check Online-Video-Inspection by Skype-Video Tjdpfsh Axn Dex Amkja We would be very pleased with your visit - more machines on Stock Available Immediately - Can be inspect On Stock Emskirchen / Nürnberg - Can be test

Condition: excellent (used), Year of construction: 2010, Pellet production line for sale !!! Capacity - 4 t/ h with two presess ! Tedpfozhichsx Amksa Now in production - one press 132 kw Double boiler with dryer 2t/h ( each ) All other deetils you can find on pictures !!

Condition: used, Year of construction: 2014, Used machine Year of manufacture: 2014 Equipment and technical data: - Working range X: 3,740 mm - Working range Y: 1,570 mm Tedpfezlbp Uox Amksa - Working range Z: 350 mm - 4th axis: present - 5th axis: 5-axis spindle, motor 12 kW - with additional locking of the C axis - Tool changer positions: 24 with disc changer; 10 in the machine column on the left - Vertical drilling spindles: 12 - Machine table: console table - Automatic table positioning: present - 6 workpiece supports type e-motion - Special workpiece clamping system for frames - Software: FORMAT 4 WOOD FLASH, TPA ALBATROS - 2 machining fields for pendulum operation - with automatic central lubrication - with mobile control desk with PC monitor - with air conditioning for control cabinet - with vacuum pump 90 m³/h - with hand-held control unit - Included: 12 frame clamps, 8 large and 4 medium suction cups Availability: at short notice Location: Röllbach

Condition: used, Year of construction: 2016, Used machine Year of manufacture: 2016 Equipment and technical data: - Electrics 3x400V 50 / 60Hz - Gimbal-mounted 5-axis electrospindle 12 kW (S6) HSK F63 - 24,000 rpm - ceramic bearings incl. liquid cooling with infinitely height-adjustable extraction hood - electric-motor controlled - full rated power at approx. 12,000 rpm - speed: 1000 - 24000 rpm - drive: 3-phase HF motor, inverter-controlled - direction of rotation: clockwise/counter-clockwise - 2 controlled compressed-air connections - interface for aggregates - tool weight (rotating): 6 kg - max. saw blade Ø 350 - spindle cooling: liquid cooling - extraction hood infinitely variable - Profit H350 16.30: CNC machining centre in gantry design (without tool) with digital drives (driven on both sides). The machine column of the Profit H350 16.30 is made of thick-walled, electrically welded rectangular tubes. The steel ribbing inside the column achieves high stability. - Machining field H350 16.30: Travel of the axes: X = 4000 mm Y = 1970 mm Z = 455 mm Working field: X = 3000 mm Y = 1500 mm Z = 150 mm clearance height Axis positioning speeds: depend on the selected safety system (these can be found in the layout). - Travelling gantry driven on both sides - Guide system X axis: The travelling gantry of the X axis is driven via a rack with inclined, crowned tooth form - This guarantees highest precision. The reduction gear ensures highest machining quality and repeat accuracy. The bearing is provided by means of encapsulated recirculating-ball shoes running on hardened and ground linear guides. - Guide system Y axis: The bearing is provided by means of encapsulated recirculating-ball shoes running on hardened and ground linear guides. The Y axis is positioned by means of a ground recirculating ball screw. - Guide system Z axis: The bearing is provided by means of encapsulated recirculating-ball shoes running on hardened and ground linear guides. The Z axis is positioned by means of a ground recirculating ball screw. - Automatic central lubrication: The grease is delivered in a controlled manner to the guide carriages of the X, Y and Z axes as well as to the recirculating ball screws in Y and Z. The lubrication process is carried out automatically after a specified time. - 12-position linear tool changer on the left of the machine column incl. a pick-up position for aggregates: The 12-position linear changer ensures shortest changeover times and offers sufficient space for milling tools. One aggregate change position (fitting variants see layout) Max. tool diameter 250 mm Max. tool length 240 mm - Drilling head DH 18 6H 1S: Vertical 12 spindles: 7 spindles in the X direction and 5 spindles in the Y direction. Horizontal 6 spindles: 4 spindles in the X direction and 2 spindles in the Y direction. Forward stroke = 70 mm max. drill length = 70 mm and shank D = 10 mm. All spindles are individually driven and selectable. 1 grooving saw – in the X direction max. saw blade diameter 120 mm max. blade thickness 5 mm max. speed infinitely variable up to 7500 rpm. The drilling group covers the entire working field both horizontally and vertically. - Controlled central extraction connection: Via the program control, either the drilling head or the milling spindle is extracted. This controlled slide gate achieves an optimised extraction performance. Connection diameter see layout - 6 workpiece supports: Tedpfszlbpbex Amksa With front and rear...

Condition: used, We offer you: Camshaft production line Tsdpfx Amszp U Dmjkea Please refer to the attached PDF for technical data and images. All technical data is available and can be shared upon request. An inspection can be arranged by appointment. Accessories, tools, and clamping devices shown in the images are only included in the scope of delivery if this is explicitly stated in the additional information. Subject to change and errors in the technical data and specifications, as well as prior sale!

Condition: used, CATALOGUE NUMBER 7650 Technical data: - max. working length 1500mm - max. working diameter 250mm - milling (disc milling cutter) 7.5kW - spindle – 2800 rpm, 3kW - spindle speed 700/1200/1500/2000 rpm - grinding unit 0.75kW - hydraulic motor 3kW - total power 17.75kW - air consumption 6-8 bar - infeed conveyor for workpieces up to 150x150mm - diameter of dust extraction nozzle 100mm, 160mm - dimensions for transport (length/width/height) 4350x2300x1980mm - weight approximately 3000kg ADVANTAGES - made in Germany Tedozh Ivtspfx Amkja - automatic hydraulic copying system - original DTR documentation - unpainted - used lathe, very good condition Net price: 59900 PLN Net price: 14262 EUR Net price calculated at an exchange rate of 4.2 PLN/EUR (the price may change in case of significant exchange rate fluctuations)

Condition: good (used), Year of construction: 2000, For Sale: AXYZ 4010 CNC Router (Year 2000) – Made in Canada, Reliable & Versatile We are offering a pre-owned AXYZ 4010 CNC Router, manufactured in Canada, from the year 2000. Known for its durability, precision, and versatility, this CNC router is ideal for various cutting, engraving, and milling applications. It has been well-maintained and remains in good working condition, making it a cost-effective choice for businesses looking to enhance their machining capabilities. Specifications & Features: Work Area: 1220mm x 2540mm (48" x 100") Table: vacuum table Spindle Type: 2x High-speed router spindle Control System: AXYZ proprietary CNC control Drive System: Stepper motor-driven for precision movement Material Compatibility: Suitable for cutting wood, plastics, aluminum, composite materials, and more Todpovzagujfx Amkja Software Compatibility: Works with standard CAD/CAM software Manufactured In: Canada Condition: Used, in good working order Key Benefits: Canadian Quality: Built to high manufacturing standards for reliability and longevity. Precision & Efficiency: Capable of intricate cuts and engravings with high accuracy. Versatile Applications: Ideal for signage, woodworking, prototyping, and light metalwork. Cost-Effective Investment: A budget-friendly alternative to purchasing a new CNC router. This AXYZ 4010 CNC Router is an excellent addition for workshops, sign-making businesses, and fabrication shops seeking a dependable machine at an affordable price.

Condition: new, Year of construction: 2025, functionality: fully functional, The weighing system is also designed for mixing up to 4 products. Each of the 4 units can be programmed individually. The system can be tested at our test center, 20 km from Frankfurt am Main. Features Tsdjya Ahvspfx Amkja - Easy operation and cleaning - Convenient control via color touchscreen - Memory for various weighing recipes - Precise weighing results thanks to three-stage weighing: coarse/intermediate/fine dosing, each programmable individually - Tool-free format changeover Technical data - Weighing range: 20g to 4000g - Accuracy: up to 0.5g, depending on product - 6-liter weighing hopper - Max. speed: 60 weighing cycles/minute - Weight: 240kg - Material: stainless steel 304 - Connection: 220V / 50Hz / 6A

Condition: excellent (used), Year of construction: 2011, functionality: fully functional, power: 75 kW (101.97 HP), COMPLETE WASTE WOOD DISPOSAL LINE RUDNICK & ENNERS – Year of manufacture 2011 Tjdjznunpepfx Amkea For sale is a complete waste wood disposal plant by Rudnick & Enners, built in 2011. The line consists of 20 components and was used for the automatic removal, sorting, and processing of edgings, wood chips, and residual wood in a sawmill. The system has a modular design, is dismantled, in very good condition, and available immediately. Technical Overview – Positions 1 to 20 01 – Crooked chain conveyor from reducer, W 600 mm 02 – Vibrating chute 1-edging line, L 13.0 m, W 650 mm 03 – Vibrating chute 2-edging line, L 15.0 m, W 650 mm 04 – Vibrating chute frame saw line, L 8.50 m, W 500 mm 05 – Vibrating chute 1-frame saw line, L 10.0 m, W 500 mm 06 – Vibrating chute 2-frame saw line, L 9.0 m, W 500 mm 07 – Vibrating chute frame saw roller conveyor, L 7.50 m, W 500 mm 08 – Vibrating chute trimming line, L 11.0 m, W 650 mm 09 – Vibrating chute trimming line, L 9.0 m, W 650 mm 10 – Screw conveyor for sawdust, L 4.0 m, Dia. 300 mm 11 – Conveyor belt to chipper, L 3.60 m, W 500 mm 12 – Slab conveyor belt, L 11.0 m, W 300 mm 13 – Waste conveyor belt, L 11.60 m, W 300 mm 14 – Metal detector 15 – Chipper type RE-TH 250/700/5, Motor 75 kW 16 – Double screw under chipper, W 600 mm 17 – Crooked chain conveyor to screen, W 600 mm 18 – R&E screen, L 4.0 m, W 2.0 m 19 – Crooked chain conveyor to landfill, W 500 mm / W 300 mm 20 – Crooked chain conveyor to wood chip storage, W 600 mm Additional Information Manufacturer: Rudnick & Enners Year of manufacture: 2011 Condition: very good, used and dismantled Availability: immediately ex stock Location: A-3525 Lugendorf, Austria Application: Sawmills, biomass plants, wood processing

Condition: used, Year of construction: 2019, Used machine Year of manufacture 2019 Equipment and technical data: - For classic nesting machining with a spoilboard - Machine frame of welded construction with ground and hardened prismatic guides for the moving column, aggregate head and consoles - Moving column in gantry design - Rack-and-pinion drive, helically toothed, in the X and Y directions, ball screws in the Z direction for precise positioning - Machining dimensions: - Max. support surface on nesting table: X = 3100 mm Y = 1560 mm - Max. travel: X = 4695 mm Y = 2100 mm Z = 293 mm - Max. clearance height DYNESTIC table Z = 100 mm from top of table (without spoilboard) - Maximum programmable speed vector speed: 128 m/min Tedpozlbrpsfx Amkea X = 80 m/min Y = 100 m/min Z = 25 m/min - DYNESTIC table: - Fixed, continuous machining table with grid layout - continuous grooves in the X and Y directions - groove spacing 50 mm - with 25 metres of sealing cord for clamping the spoilboard - Vacuum zones: single-circuit vacuum system - Drilling unit 7877: - 19 spindles - drive power: 1.7 kW - 13 vertical spindles: - individually selectable - U-shaped arrangement - 5+4 in the X and 4 in the Y direction - 32 mm grid - max. drill diameter: 35 mm - total drill length: 70 mm from screw-on end (depending on panel thickness) - spindle extension stroke: 70 mm - direction of rotation: clockwise / counter-clockwise alternating - n(max): 1000 - 4400 rpm infinitely variable - fitting: M 10 thread - fit 11 mm - without tool, without holder - 6 horizontal spindles: - 2 double drilling spindles in the X direction - 1 double drilling spindle in the Y direction - fitting: M 10 thread, fit 11 mm - total drill length max. 63 mm from screw-on end - without tool, without holder - Milling unit 7842: - power: 12.0 kW (S6) - n(max) = 1000 - 24000 rpm infinitely variable - max. power at 12000 rpm to 24000 rpm - air-cooled - with HSK-F 63 tool holder - with right-hand thread nut (for right-rotating tools) - with collet chuck with HSK shank - ceramic ball bearings (hybrid bearings) - tool weight max. 6 kg (incl. holder) - tools: milling and grinding tools max. Ø 160 mm - Safety guarding in accordance with CE standard - Protective fence at the sides and rear - Vacuum pump: 500 m³/h, dry-running - Personal safety via light barriers in the front area of the machine - Hand-held control unit for remote control of the machine with the following operating functions: - start / stop of the machining program - speed control of the machining cycles - reset button - manual feed / rapid traverse for all axes - EMERGENCY STOP - CAMPUS V7 CAD/CAM software 1x machine licence consisting of: - CAMPUS NC-HOPS: - graphical variant system with WOP and CAD/CAM properties for creating part variants using macro technology - CAMPUS MT-Manager - CAMPUS Workcenter - CAMPUS DXF interface - Automatic central lubrication - Automatic lubrication at defined lubrication intervals - Additional sealing against dust through overpressure in every guide carriage - Simultaneous lubrication: - for all linear guides in the X, Y and Z directions - for all ball screws in the Y and Z directions - for all milling spindle guides - for tool changer guides (except pick-up tool changer) - All console guides are not lubricat...

Condition: new, Year of construction: 2023, functionality: unexamined, Müteck wood shredder MRZ1530 with 55 kW motor. Tjdeyt Rriepfx Amkoa Brand new, unused Only the shredder is for sale.

Condition: excellent (used), Year of construction: 1995, functionality: fully functional, heating capacity: 55 kW (74.78 HP), smoke pipe connection diameter: 200 mm, input voltage: 220 V, HDG wood-burning boiler, top-loading, heating output 55 kW, suitable for 50 cm logs. Year of manufacture: 1995. The boiler is still connected and operational and can be inspected until August 24, 2026. The boiler is completely dry and leak-proof; it was only used during the winter and therefore rarely operated near the dew point. During the transitional seasons, our 49 square meter solar panel system provides sufficient heating energy. Pick-up price is 3,300 euros net. Tedpfjzp R Egox Amkja

Condition: ready for operation (used), Year of construction: 2009, operating hours: 12,200 h, functionality: fully functional, machine/vehicle number: 09-0302, For Sale: Massey Ferguson 7726 S + MUS-MAX WT9XLZ Wood Chipper Todpfx Asy Sgmbsmkja Package price: EUR 115,000 (excl. VAT) 🚜 Massey Ferguson 7726 • Year of manufacture: 2018 • Engine hours: 9170 (A complete engine overhaul was carried out approximately 3,000 operating hours ago.) • Price: EUR 70,000 (excl. VAT) • Power: 255 hp nominal / 280 hp max • Front linkage • Front axle suspension • Pneumatic suspension operator seat (360°) • Regular maintenance • Engine oil changed every 250 hours • Transmission: Dyna-6, 50 km/h • LS pump capacity: 200 l/min • 4 double-acting hydraulic outlets with mechanical control • Rear fender lift controls • Electronic linkage control (ELC) with 9,950 kg lifting capacity • PTO: 540 / 1000 rpm • Air brake system for trailer • MF tires: 55% tread remaining. MUS-MAX WT9XLZ • Year of manufacture: 2009 • Worn parts replaced regularly • New tires • Tower-mounted camera • Additional LED lighting • MUS-MAX tires: 95% tread remaining. • Fully operational – still in active use

Condition: used, Year of construction: 2005, Second-hand machine Year of manufacture: 2005 Features and technical specifications: - Base machine 555 - Machining dimensions for contour milling: - X = 3514 mm - Y = 1544 mm - Maximum machining dimensions: - X = 3868 mm - Y = 1746 mm - Z = 325 mm - Workpiece support with 8 brackets, pneumatically clamped - Drilling unit 7968: - 18 vertical drilling spindles with 32 mm pitch - 12 in the X-axis and 6 in the Y-axis - available individually - T-shaped layout - max. drilling diameter 35 mm (depending on panel thickness) - Spindle extension stroke: 70 mm - Direction of rotation: alternating clockwise and anti-clockwise - n = 4725 rpm, infinitely variable - 2 horizontal drilling units in the X-direction, 1 horizontal drilling unit in the Y-direction - Sawing unit 7946: - Motor: 3.5 kW Todszk N Hlopfx Amksa - 90° pneumatically swivelling - n = 5300 rpm - Tool holder A Ø = 200 mm, I Ø = 30 mm, B = max. 3.5 mm - Sawing/grooving in the X and Y directions - Milling unit 7935: - with 6 kW spindle, water-cooled - Milling unit 7982: - for lock case milling - Tool changer 7996: - 18-position magazine (turret) - Vacuum pump with a capacity of 140 m³/h - Handheld control unit - PC control system with TwinCAM WOP system - Siemens control system Availability: at short notice Storage location: 63934 Röllbach

Condition: used, Year of construction: 2005, Second-hand machine Tjdpfx Ajzk Nz Asmkja Year of manufacture: 2005 Features and technical specifications: - Cantilever machine (6 units) - Travel dimensions: X = 3,490 mm Y = 1,690 mm Z = 205 mm - Machining dimensions: X = 3050 mm Y = (Max. milling depth – tool radius) 1,345 mm Z = 150 mm - TF 20 drilling head - Power 2.2 kW - 8 vertical spindles, spindle spacing 32 mm in the X direction - 6 vertical spindles, spindle spacing 32 mm in the Y-axis - 2+2 horizontal spindles in the X-axis - 1+1 horizontal spindles in Y-axis - with integrated 120 mm grooving saw blade - with 9.2 kW electric milling spindle with ISO 30 mount - with C-axis - with angle unit - with 12-position tool changer - with tool change station for angle units - with vacuum pump 80–100 m³/h - Total connected load 16 kW - Compressed air 6 bar - Compressed air consumption 210 NL/m - Extraction connection 250 mm - Extraction volume 5,300 m³/h - Extraction velocity 30 m/sec - Dimensions: 5940 x 3800 x 2510 mm - Weight: 3,700 kg Availability: at short notice Location: 63934 Röllbach

Condition: used, Year of construction: 2007, Second-hand machine Year of manufacture: 2007 Features and technical specifications: Nesting system with grid table Machining dimensions: - X: 5000 mm - Y: 1240 mm - Z: 135 mm Travel ranges: - X: 5665 mm - Y: 1650 mm - Z: 325 mm with milling unit 7933: - Motor 11 kW (S6) - HSK 63 - water-cooled with C-axis with 18-position disc-type tool changer with 250 m³ vacuum pump Tjdpfx Amjzk Nvgekea with manual control unit with central lubrication with minimum quantity lubrication system Availability: at short notice Location: Röllbach