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SCHIESS 20 DKE CNC VERTICAL TURRET LATHE

SCHIESS 20 DKE – Specification
Machine Type:
Schiess 20 DKE 125 NCC Vertical Turret Lathe
CNC Control:
Siemens 840D SL Control – retrofitted 2012
Capacities:
Max. Turning dia. : 2000mm
Max. Swing : 2000mm
Max. Turning Height : 1400mm
Turret Travel (horizontal) : 1250mm (-X = 130mm / +X = 1120mm)
Turret Travel (vertical) : 900mm
Rail Travel (vertical) : 1250mm
Table
Table dia. : 1800mm - 4 Jaw Manual Chuck
Max. Workpiece weight : 8000kgs
Table Drive : 55Kw
Table Speeds : 5 to 200rpm, in 2 ranges (Full Power from 15rpm)
Feedback : Table Encoder (for Constant Surface Speed & Threading)
Turret
No. of Tool Positions : 4
Turret Indexing : Automatic
Guarding
Operator Guarding : A new, 2,450mm high, totally enclosed Guarding System is
provided around the working area.
Swarf Disposal
Swarf Conveyor : A new, heavy duty, 2” pitch, steel hinged Slat type Swarf
Conveyor will be supplied with the machine.
Machine Accuracy
The machine has been fully rebuilt/re-manufactured in accordance with BS4656 Part 22 and
OEM specifications & tolerances.
Details of the scope of refurbishment are included in the following Refurbishment & Retrofit
Specification.
Refurbishment & Retrofit Specification
1.0 Summary
The above machine is offered, fully rebuilt to manufacturers’ original specifications and
tolerances, and in accordance with BS 4656. In addition, the machine has been retrofitted
with a new Siemens 840D Control package, new Spindle Drive, new Digital Axis Servo
Drives, a complete new Electrical Interface Panel and totally re-wired.
The machine has also been fitted with a new totally enclosed Guarding System, in
accordance with PUWER.
2.0 Strip Down & Dismantle
2.1 The machine was stripped to component level; all parts cleaned, labelled and inspected.
All obsolete parts, not required in the re-engineered machine, have been discarded.
3.0 Column & Rail Elevation System
3.1 The Column Ways have been ground to remove any wear or damage.
3.2 Mating bearing surfaces on the rear of the Cross-slide have been machined back, fitted
with Turcite, scraped & re-bedded to the Column.
3.3 The Rail Elevation leadscrew (complete with brass nut) has been replaced with new; the
new leadscrew has been fitted using all new anchor bearings.
3.4 The Rail Elevation gearbox has been stripped, cleaned & refurbished; scope of work
comprised:
•Inspected phosphor bronze worm & wheel; adjust seating as required.
•Replace all bearings, bushes & seals with new.
3.5 The Rail Elevation motor has been replaced with new.
3.6 The existing Rail Elevation Clamps have been stripped, cleaned and re-assembled using
all new piston rings & seals; clamp faces were skimmed, as required, to remove wear.
4.0 Cross-slide and Saddle
4.1 The hardened & ground Cross-slide Ways have been re-ground to remove any wear or
damage.
4.2 All Tychoway Bearings, for the Ways, Gibs & Keep Plates have been stripped, cleaned &
inspected; any damaged or worn rollers were replaced with new. Any Tychoways that
were beyond serviceable refurbishment have been replaced with new.
4.3 New Slideway Wipers have been fitted throughout.
4.4 The existing telescopic steel Cross-slide Covers have been refurbished including
straightening and fitting of all new guide strips, rollers and wipers.
5.0 Turret-Slide
5.1 The Turret-Slide Ways have been re-ground to remove any wear.
5.2 All Tychoway Bearings, for the Ways, Gibs & Keep Plates have been stripped, cleaned &
inspected; any damaged or worn rollers were replaced with new. Any Tychoways that
were beyond serviceable refurbishment have been replaced with new.
5.3 New Slideway Wipers have been fitted throughout.
6.0 Axis Drive Systems
6.1 Both Ballscrews (X and Z Axes) were sent to a specialist to be refurbished; scope of work
comprised:
•Strip, clean and inspect nut and shaft, check existing pre-load.
•Check shaft ends for concentricity
•Check screw shaft for run out.
•Polish shaft tracks.
•Polish nut tracks.
•Reball nuts using new balls.
•Manufacture new pre-load spacer.
•Re-set pre-load and check in both directions.
•Re-grease
6.2 Both Ballscrews have been re-assembled to the machine using all new Anchor Support
Thrust Bearings.
6.3 The existing 2;1 Pulley drive arrangements on each axis has been retained:
•The ballscrew mounted Pulleys checked and retained.
•The motor mounted Pulleys have been replaced with new.
•The HTD Drive Belts have been replaced with new.
6.4 Two new, high performance, Siemens 1FK7 Synchronous Servo Motors provide drive to
the Ballscrews through the above Pulley drive arrangements (note: the Z axis motor is
fitted with a 24v dc brake); new motor mounting brackets have been designed &
manufactured, to suit.
7.0 Table Bearings
7.1 The main Jaeger Taper Roller Bearing (centre) has been fully refurbished including regrinding
of all tracks and fitting of all new Rollers & Spacers; on re-assembly, the bearing
has been pre-loaded in accordance with OEM instructions.
7.2 The Table Support Roller Bearing (outer) has been inspected and found to be in excellent
working condition, with no refurbishment required.
8.0 Table Drive
8.1 The main Ring Gear and Drive Pinion has been cleaned and inspected; all gear teeth have
been stoned to remove any bruising or scoring caused by swarf pick-up.
8.2 The horizontal & vertical drive shafts have been refurbished; scope of work comprised:
•All gears & shafts inspected and refurbished/replaced as required. All drive keys
replaced with new.
•All bearings, bushes & seals replaced with new.
8.3 The intermediate drive shaft has been refurbished; scope of work comprised:
•The splined shaft replaced with new.
•The internal gear replaced with new.
•All bearings & seals replaced with new.
8.4 The existing Table Drive Gearbox has been completely re-engineered to provide fully
programmable, infinitely variable, speed control of the Table, in 2 ranges; scope of work
comprised:
•The existing gearbox was stripped and all unwanted gears and clutches removed.
•The retained shafts & gears were fully refurbished, with new drive keys fitted as
required.
•New gears were designed, manufactured & fitted to generate the required Table
speed ranges (two ranges).
•The retained clutches were stripped, cleaned, inspected and refurbished, with new
clutch plates fitted as required.
•All bearings replaced with new.
•New 'O' Rings and seals fitted throughout.
•The gearbox lubrication pipework has been modified, as required, to suit the new
design.
8.5 A new 55Kw Siemens 1PH7 AC Compact Induction Motor has been fitted, providing Inf.
Var. Speeds (hence Constant Surface Speed Control) throughout the 2 ranges.
9.0 4 Jaw Manual Chuck
9.1 The existing 4 Jaw Chuck has been retained; the Jaws, Jaw Carriers & Scrolls were fully
refurbished, as required.
9.2 The Table/Chuck face has been re-skimmed.
10.0 Indexing Turret
10.1 The existing 4 Station Auto Indexing Turret has been retained and refurbished; scope of
work comprised:
•The Hurth Coupling was cleaned / inspected and the gear teeth stoned to remove
any damage/bruising.
•The Index Gears have been checked and replaced, where necessary.
•The Clamp/Unclamp Indexing Racks have been inspected and re-fitted
•All bearings & seals replaced throughout.
•The Clamp/Unclamp and Indexing Cylinders have been retained & refurbished;
all piston rings and seals replaced with new.
•All Tool Clamping Sets have been refurbished; locators/guides and clamping
screws replaced as required.
11.0 Machine Hydraulics
1
1.1 A complete new hydraulics system has been designed, manufactured and fitted to the
machine, including:
•New Power Unit
•All new Control Valves & Solenoids
•All new Pressure Switches, Flow Switches and Meters
•All new fixed pipework
•All new flexible hose
Note: The new Power Unit & Valve Manifold is floor mounted for ease of maintenance.
11.2 The two Turret Slide counterbalance cylinders have been refurbished, with all piston rings
and seals replaced with new.
12.0 Lubrication
12.1 The existing Table/Gearbox Lubrication System was replaced by a new continuous flow
lubrication system, including:
•New Tank
•New Feed Pump
•New Scavenge Pump
•All new Control Valves, Pressure Switches, Flow Switches and Meters
•All new fixed pipework
•All new flexible hoses
12.2 A new fully automatic, “Dropsa” Air/Oil Lubrication System has been fitted for Slideway
& Ballscrew lubrication; all existing flexible pipework replaced with new.
13.0 Guarding & Swarf Conveyor
13.1 Guarding
A new 2,450mm high, totally enclosed, Operator Guarding System has been provided
around the Table incorporating two hinged front doors for Operator access and loading /
unloading, complete with Operator Viewing Windows comprising toughened safety glass
with laminated inserts and safety protection grilles.
All doors are interlocked to the CNC to prevent access to the working envelope during
machining operations.
A new 110V Fluorescent Light has been fitted within the Machine Guards.
13.2 Swarf Conveyor
A new, heavy duty, 2” steel hinged Slat type Swarf Conveyor, will be supplied with:
•Conveyor case width: 350mm
•Conveyor case depth: 150mm
•Conveyor horizontal length: 3,000mm
•Conveyor incline angle: 60°
•Conveyor discharge height: 1,000mm
14.0 Coolant System
14.1 The machine has been fitted with a new, standard, Flood Coolant System to provide
external Coolant only to the Tool, the new system comprises:
•Coolant Tank : 300 litre capacity (in base of Swarf Conveyor)
•Coolant Pump : 30 litre/min @ 0.8 bar.
•New Check Valve & Flow Regulator Valve
•All new Flexible Hoses.
•A new Flexible Delivery Nozzle.
15.0 Painting
15.1 The machine has been rubbed down, primed and finish painted with one coat of Tekaloid
Machinery Enamel, Colours:
•Column & Base: BS 18E53 Blue
•Saddle & Turret Slide: RAL 7035 Grey
•Guarding: BS 18E53 Blue
•Guard Doors: RAL 7035 Grey
16.0 CNC Control & Electrics
16.1 CNC Control
The machine has been retrofitted with a new Siemens Sinumerik 840DSL CNC control
complete with 10.4" TFT Colour display and Machine Control Panel; control features
include:
•A total of 5MB User Memory for Part Programs & Tool Offsets
•Linear Interpolation
•Circular Interpolation
•Polar Co-ordinate Interpolation
•Helical Interpolation
•Actual Spindle Speed and Power Output Displays
•Constant Surface Speed
•Threading
•Work Area Limitation
•Absolute / Incremental Programming
•Diameter / Radius Programming
•Chamfering / Rounding at Intersecting Lines
•Macro Programming
•Canned Cycles
•Inch / Metric Conversion (manually or via program)
•Multiple Repetitive Cycles
•No. Part Programmes: 500
•Workpiece Offsets: 100
•Skip Block / GOTO function
•Tool Offsets
•Tool Nose Radius Compensation
•Tool Geometry / Wear Compensation
•Subroutine / Interrupt Routines
•Part Program Editing and Overstore
•2D Simulation
•Reposition on the Contour after Program Interruption
•Look Ahead Detection of Contour Violations
•Action Log for diagnostic purposes
•Leadscrew Error Compensation
•Measuring System Error Compensation
•Backlash Compensation
•RS232 Interface
•Ethernet
16.2 Location of Control
The Siemens TFT Display and Machine Control Panel are sited in a new, free-standing,
swivelling, Operator Pedestal; in addition, auto-controls are provided for axis select, axis
jog, rapid traverse, feedrate over-ride, Table start, Table over-ride, coolant on/off, cycle
start, cycle stop and E Stop
16.3 Features under Control
X and Z axes; Table; Turret.
16.4 Table Drive.
A new Siemens Sinamics S120 Digital Drive provides control to the new Siemens 1PH7
Compact Asynchronous Motor; Table speeds are 5 to 200rpm, in 2 ranges.
16.5 Axis Drive Amplifiers.
Two new, high performance, Siemens Sinamics S120 Digital Drive Modules have been
supplied to control the new Digital Servo Motors detailed in section 6.4.
16.6 Electrical Magnetics Panel.
A complete new electrical panel has been provided to house the Siemens PCU 50, NCU
710, Sinamics S120 Digital Axis Drive Modules, PP72/48 I/O Modules along with all
new transformers, chokes, power supplies, relays, etc.
All new panel cabling is tri-rated and screened, numbered to electrical interface diagrams,
in accordance with Euronorm Standard EN60204-1.
Live parts within the cabinet are protected to IP2X.
In addition, the cabinet is fitted with a double, switched, 3-pin, RCD protected, socket and
a suitable, switched, interior light
16.7 Machine Wiring.
The machine has been completely rewired using tri-rated, screened and multi-core cable,
numbered to electrical interface diagrams, in accordance with Euronorm Standard
EN60204-1; drives are wired using Siemens servo motor cable.
All limit switches, proximity switches, push buttons, lamps, etc, are new.
All new Emergency Stop circuits are dual-channel wired and centralised through a PILZ
Emergency Stop Unit.
The original dragchains were replaced with new; all flexible conduits/anaconda’s have
been replaced with new.
16.8 Measurement Feedback.
Measurement Feedback on the X & Z axes is provided by Integral Motor Encoders.
A new Table Encoder has been fitted for constant surface speed control & threading.
16.9 Software.
On completion of installation of all new equipment, the system was powered-up,
preliminary PLC software and interface checked and updated.
Software diagnostics and interlocking of the Turret, guarding, hydraulics, lubrication, etc,
is displayed as operator text messages.
17.0 Acceptance at Electron Engineering Services Ltd
17.1 EES will demonstrate to your personnel that the machine has been rebuilt to geometric
specifications as detailed in BS4656.
17.2 A simple test piece will be machined, demonstrating Facing, Boring & Contour Turning.
18.0 Training
The following Training is included within the package price: -
18.1 Operator Familiarisation
Operator Familiarisation will be provided, at our Halifax works, for 2 Operators with
previous CNC experience; duration of training will be 2 working days and will cover:
•Functional Operation of the Siemens 840D Control.
•Part programme editing, storage and retrieval.
•Uploading/downloading of part programmes.
This training forms the basis of the Cutting Trials detailed in section 17.2 above.
18.2 Electrical/Electronic Maintenance
Electrical/Electronic training will be provided, at our Halifax works, for up to 2
Maintenance Engineers with previous CNC experience; duration of training will be 1 day
and training will cover:
•Backing up the CNC Software.
•Downloading/uploading of CNC Software.
•Fault Finding.
•Axis motor and drive optimisation.
18.3 Programmer Training is not included but can be provided, if required, at additional cost;
please see section 24.0 below for option to supply Programmer Training.
Special Note:
Hotels, subsistence and travelling expenses for the Clients personnel will be the
purchasers responsibility.
19.0 Strip down & Transport
19.1 Following the successful completion of the Acceptance Tests & Training, the machine
will be stripped into suitable elements and packed into OT Containers.
23.0 PUWER Compliance
23.1 The newly rebuilt machine will be PUWER Compliant in accordance with the statutory
requirements of all relevant EEC Directives.

Ref. 712160

TOSHIBA, BMC-1000, CNC HORIZONTAL MACHINE CENTER (5-AXIS) YEAR (2002)

Toshiba CNC Horizontal Machine Center (5-axis)
Model: BMC-1000
Year: 2002
 
Control: TOSNUC-888
 
Stroke (X,Y,Z): 2000 x 1250 x 1200 mm
Distance from spindle center to table top: 75-1325 mm
Distance from spindle nose to table center: 200-1400 mm
 
Pallet size: 1000 x 1000 (5 APC)
Pallet loading capacity: 2500 kg
Pallet table surface: 36-M20 Tap
Pallet table indexing: 1 degree
 
Spindle speed: 40-10000 rpm
Spindle range: 2 sets
Spindle bearing inner diameter: 100 mm
 
ATC: 120

BT 50

Ref. 712161

NAXOS-UNION - KHSA 1500 - AUTOMATIC CRANKSHAFT GRINDING MACHINE

Main Specifications:
• Max. grinding length 1500 mm
• Max. center height 270 mm
• Max. work piece weight 280 KG
• Oscillator circuit Ø 500 mm
• Grinding spindle drive 22 kW
• Speed 10-150 Gs
• Weight approx. 20 to
Main Features:
• Marposs-Measuring Control
• Copy Dresser
• Axial positioning
The machine is complete in good condition

Ref. 712168