First selection cylinders for Vertical Non Ferrous Casting. The Drive & Control Company

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1 First selection cylinders for Vertical Non Ferrous Casting The Drive & Control Company

2 2/15 Bosch Rexroth B.V. Table of contents Introduction Table of contents Content Page Introduction 2 Application center: Metallurgy 3 Technical data 3 Type code 4 Non ferrous casting 5 Mounting style 5 Existing dimensions 6 Oil connections 6 Ceramax Engineered Coating 7 Sealing system 8 Protection umbrella 8 Content Page CIMS measuring system 9 Flexible MTS for speed control 10 Temposonics RH-Series 10 Deflection calculation 11 Rotation 11 Stick slip simulation 12 Inquiry list General data 13 Technical data 14 Additional data for non ferrous casting 15 Introduction First selection This brochure is intended to be an aid to designers of non ferrous casting installations to have a reliable guide for the mechanical interfacing of this type of hydraulic cylinders. Please note that your cylinder can only be produced with your correct input of the technical specification. Bosch Rexroth Bosch Rexroth cylinders designs, manufactures and sells hydraulic cylinders up to a bore of mm on request. The hydraulic cylinders may have a maximum stroke length of mm. Production of these cylinders is concentrated in The Netherlands, China and Brazil. The Bosch Rexroth cylinders are world-wide used for: Heavy industry General industry & presses Material handling & mining Civil engineering Offshore, marine & dredge Special projects Standard design modules Different design requirements are determined per application. The key features of the different heavy industry cylinders are standardized by modular concepts. The following main modules are defined and standardized: Cylinder body and piston rod, pressure range, material quality Seals and bearings Mounting style Electronic feedback Manifold interface Three in One: Hydraulic Cylinders from Bosch Rexroth Whether you are integrating standard cylinders, branch cylinders or project cylinders into your overall concept: All standard series are highly configurable to an universal concept, thus enabling you to avoid special costly designs. Bosch Rexroth maintains actually a minimal number of standard series, preferring to concentrate on improving special features of variants instead. These standard cylinders have a bore up to 320 millimeters and a stroke length up to 4 meter. With branch cylinders highly specialized project design engineers work out customer-specific solutions: These cylinders are designed, tested and then, once ready they are series-produced in the required quantity, all in collaboration with the customer. Something special that s our strength: Bosch Rexroth develops and produces project cylinders for project-related individual solutions. We accept virtually every challenge, realizing cylinders with piston diameters up to millimeters and stroke lengths up to 24 meters. Of course these cylinders match perfectly with Rexroth power unit, piping and accessories. The heavy industry cylinder range is developed for the following applications: HC Continuous casting: Ladle turret lift, Rotary Joint, Segment cylinder HR Rolling mill: Roll change, Automatic gauge control, Roll bending compensation cylinder HN Non ferrous caster: Plunger cylinder HF Reheat furnace: Lift cylinder, pusher cylinder HS Secondary metallurgy: Ladle lift cylinder

3 Application center: Metallurgy Technical data Bosch Rexroth B.V. 3/15 Application center: Metallurgy Drive System Integration With the Bosch Rexroth application center department in Lohr am Main, Germany, all the integrated drive system know how concerning heavy industry applications is available. The application center advises in complete drive packages consisting of: cylinders, power packs, gear boxes, controls, piping and installation & commissioning. Producers within Bosch Rexroth and affiliated companies benefit from this expertise with the application center. Design of drive & control solutions to supply the complete equipment for safe and optimized life cycle costs. Application center Metallurgy: Aluminum casters Continuous casters Rolling mills Secondary metallurgy Your benefit of Application center Complete Drive & Control system in one hand System responsibility at Bosch Rexroth First class products and systems Technology leadership Integrated solution Concentration on Core Business Prevent over-dimensioning Specialized maintenance Customer Bosch Rexroth Application Center Cylinders Power Units Valve blocks Controls Piping Commissioning Technical data for Non Ferrous Caster Standards: The installation dimensions of the cylinders and mounting styles meet the requirements of the application based standard. Pressure fluid / pressure fluid temperature range: HLP, HFD-R Other fluids on request. Temperature of environment min. 0 C to max. +70 C ISO Cleanliness class Advise is maximum degree of pressure fluid contamination to ISO 4406 (c) class 16/13 (NAS 7). Coating: The cylinder is working fully submerged. Bosch Rexroth has special coatings to protect the cylinder against under water environment. This applies to the rod (C.E.C.) as well as the shell (underwater coating). Acceptance: Each cylinder is tested to Bosch Rexroth standards. All non ferrous casting cylinders are tested including the accuracy of the anti-rotation device.

4 4/15 Bosch Rexroth B.V. Type code Type code The following table shows the type code, which creates the non ferrous casting cylinder for vertical casting. Each field stands for a specification. These specifications are explained on the following pages. For further questions, do not hesitate to ask your Bosch Rexroth country unit. Field Orderingcode Type CY ME7 / / / B 10 / X U T N Field 1 Type denomination CY Cylinders with a single rod Field 2 Application codes (page 5) HNP Plunger cylinder internally guided HNG* Double acting cylinder externally guided * This document is for the HNP type and will not describe the cylinders for vertical casters with external guidance. Field 3 External mounting shell side (page 5) ME7 Front flange Field 4 Bore dimension (page 6) Bore between 380 mm and 620 mm Field 5 Rod dimension (page 6) Rod between 320 mm and 560 mm Field 6 Field 7 Field 8 Stroke dimension Stroke length on request depending on your product. Cylinder construction B Bolted head and welded bottom Revision index 10 Field 9 Oil connections rod side (page 6) D SAE flange (6.000 PSI) Field 10 Position oil connections (page 6) 1 0 degrees 2 90 degrees degrees degrees Field 11 Piston rod surface (page 7) C Hard chromium plated N Nickel and hard chromium plated Q Ceramax Engineered Coating 2.0 R Ceramax Engineered Coating 2.2 Field 12 Mounting rod side (page 5) X Other connection: Spigot with threaded holes. Field 13 Cushioning U No cushioning Field 14 Sealing system (page 8) T Low friction seal Field 15 Position sensor system (option 1) C CIMS (page 9) T Other position sensor (page 10) W No option Field 16 Option 2 W No option Field 17 Country code N Netherlands * Also there is no misalignment between the cylinder centreline and the external guiding.

5 Non ferrous casting Mounting style Bosch Rexroth B.V. 5/15 Non ferrous casting The principle For vertical non ferrous casting, it is important to stabilize the table where all casts will be created. This table is lowered by a hydraulic cylinder. The table can have external guiding or internal guiding by the cylinder. Type I: External guiding is done by adding a extra frame, which stabilizes the table to avoid bending and rotation. External guidance makes it difficult to manage a stick-slip free movement and needs more maintenance. Also the guiding can easily damaged or wear which causes down time in the vertical caster. Older systems use cables in stead of a cylinder requiring even more maintenance. Type II: Without the external guidance, the hydraulic cylinder must take over the guiding function to ensure linear movement of the casting table. This hydraulic cylinder can easily manage a stick-slip free movement and the cylinder is easy to maintain. To ensure a high quality billet the cylinder guiding must have extreme accuracy, even in extended position and under eccentric load cases. Advantages internal guided non ferrous casting Protected against external damage and contamination. Very little maintenance and down time. No misalignment between guiding pit and cylinder. Virtually no wear in guiding. Cylinders for non ferrous casting Bosch Rexroth translates the field experience into an application based standard which ensures the user a fit for purpose product. In our application based design we take care of the following phenomena continuous operation, underwater use, extreme accurate internal guiding, long stroke, anti stick slip, avoid table rotation, avoid seal damage, position control, hydraulic system integration and controls. Every Bosch Rexroth hydraulic cylinder for non ferrous casting is a special design for the (end) customer and application demands. Bosch Rexroth installs complete hydraulic systems for non ferrous casting in close cooperation with our clients all over the world. Mounting style Type I External guided Type II Internal guided To install the cylinder in the casting pit, the cylinder will be mounted with a front flange. The front flange is perpendicular to the bore and the spigot is concentric. To assemble the cylinder perfectly vertical a reference surface should be created in the pit below the front flange. This surface must create a perfect horizontal plain for the front flange of the cylinder. Secondly this support must be sufficient stiff. Spigot for casting table Mounting style ME7 Fixes cylinder against movement and rotation in all directions in order to have a stable casting process. Front flange Lifting lugs for installation in pit Protection rail for internal anti rotation

6 6/15 Bosch Rexroth B.V. Existing dimensions Oil connections Existing dimensions Please use the following table to have the first indication of the sizes of a typical non ferrous vertical casting cylinder. This list is generated out of references which are delivered by Bosch Rexroth in the past and are operating in a vertical caster. For the bending in a cylinder the plunger diameter is the most important figure. Bore Plunger Stroke Measuring system Ømm Ømm mm CIMS / MTS CIMS CIMS MTS CIMS MTS Above list is the first indication. The cylinder will always be calculated after contact with Bosch Rexroth Boxtel (The Netherlands) and after input of the information required in the inquiry list. Oil connections Full non ferrous vertical casting cylinder with front flange. Stroke: mm Bosch Rexroth standard connection is SAE connection code 62 (6.000 psi) according to SAE J518. Compact flange types have an advantage, because they provide the least chance for interference of the connection with the pitch circles for head and bottom. This connection is also one of the most reliable types in your application. The advantage of SAE connections is that the oil channel fits in between the bolts of the connection. This enables it to build the pipes very close to the cylinder using knee blocks. SAE Flange code 62 Rod side: (6.000 PSI) Size 1 (example)

7 Ceramax Engineered Coating Bosch Rexroth B.V. 7/15 Ceramax Engineered Coating As world market leader in design and manufacturing of customized hydraulic cylinders, Bosch Rexroth is a prominent pioneer in the field of piston rod protection. With the introduction of Ceramax to the market in 1989, Bosch Rexroth set a new global standard for piston rod coatings. With Ceramax an inherent corrosion problem in the application of hydraulic cylinders in different applications was solved. Ceramax has clearly proven its excellence as a universal rod coating. Since the introduction in 1989, over hydraulic cylinders with Ceramax rod coatings have been in operation in a wide range of demanding applications. Continuous improvement The urge to create added value for our customers is the basis for a continuous improvement of our products. These improvements range from specific product features to rod coatings and alternative materials. As a result new coating processes were developed which allows to fine-tune the layer to the specific application demands. These varying from general industrial applications to severe applications requiring high wear and impact resistance in combinations with exceptional corrosion and chemical resistance. Ceramax Engineered Coating As a logical development to the original introduced applicable Ceramax coating, Bosch Rexroth introduced, on the Hannover fair of April 2001, a full range of coatings; Ceramax Engineered Coatings (CEC). This range of coatings consists of metal-matrix based coatings (CEC 2.x range). To apply these layers the Plasma spraying process, the HVOF (High Velocity Oxygen Fuel) spraying process or a combination of the two is used. The HVOF technology uses a lower temperature range in combination with a high velocity, allowing the application of a metal matrix. This new range of coatings opens the possibility to engineer the coating to the specific application demands. All CEC coatings can be used as a basis for the Bosch Rexroth position measuring system CIMS. CEC 2.x Rod coating for extreme corrosive, abrasive and saline conditions, protection against exposure to aggressive chemicals. Programmable composition >>>> per application Programmable hardness >>>> wear protection Physical isolation/permeability >>> corrosion protection Metal matrix alloy >>>> chemical protection and flexibility CEC 2.0 For heavy industrial applications and intensive use, requiring high wear and impact resistance. CEC 2.0 is the advised coating for the underwater use of the piston rod in the pit of the vertical caster. CEC 2.2 For severe applications and intensive use, requiring high wear and impact resistance in combination with exceptional corrosion and chemical resistance. Unique features of CEC Application oriented coating Wear resistant against abrasives and erosion attack High impact strength Excellent sealing properties Excellent corrosion resistance Long life time Logical development of the Ceramax concept Environmentally friendly State of the art rod coating Corrosion Resistance Tribology Mechanical CS + Cr CS + Ni / Cr Cr CS + CEC 2.0 CS + CEC 2.2 SuperDuplex CS + Welded Overlay General / overall corrosion resistance PREn number, Corrosion tests SDCT (ISO 4536 DNV mod.) and ASTM G48 CS + Cr CS + Ni / Cr Cr CS + CEC 2.0 CS + CEC 2.2 SuperDuplex CS + Welded Overlay Relative properties in relation to wear and friction over time Surface Roughness (ISO 4287) measurements and BR wear & friction tests CS + Cr CS + Ni / Cr Cr CS + CEC 2.0 CS + CEC 2.2 SuperDuplex CS + Welded Overlay General properties in relation to mechanical stress and impact Hardness tests (ISO 6507), BR Impact tests (ASTM D mod.) and Adhesion tests (ISO 14916)

8 8/15 Bosch Rexroth B.V. Sealing system Protection umbrella Sealing system The Bosch Rexroth sealing system is developed by our inhouse R&D department in close cooperation with world leading sealing companies. For the vertical non ferrous caster the seals will be used under water in a heavy contaminated environment. Secondly low friction properties of the seals are very important to prevent stick slip. Protection umbrella The Bosch Rexroth cylinder has an optional umbrella system as a extra protection against non ferrous particles. Contamination which is floating in the water and can be a potential risk for the function of moving parts like the rod surface. Advantages of the BR sealing system Low friction Low stick slip tendency Designed for under water use Heavy duty scraper for this environment Technical specifications Low friction seal in combination with CEC 2.0 Temperature range - 30 / + 70 C Pressure range appr. 3-8 MPa Friction level +++ Wear resistance +++ Life time Minimal km under normal circumstances Minimum oil film ++++ (oil drag-out) Primary seal Secondary seal Double acting scraper Scraper Scraper To make sure any contamination will be wiped off the piston rod and will not enter the cylinder, the scraper on top of the cylinder is installed. The scraper is designed to manage an extreme tear and wear resistance to resist for example non ferrous particles which are in the water. Above picture shows us the cylinder head with extra umbrella. The umbrella functions: Particles in the water will be directed away from the cylinder by the surface of the umbrella. The umbrella contains a extra scraper which will wipe off all contamination from the piston rod and direct it away from the cylinder by the umbrella. When contamination passes the first scraper it can float away through big pass out holes under the umbrella. Now the normal scraper will wipe of possible remaining contamination. 1 st scraper can be replaced without removing cylinder umbrella Advantages: Above construction ensures a clean environment for the normal scraper and seals which ensures a very long life time and reduce risk of sealing failure caused by non ferrous particles. Double acting scraper Optimized pressure profile Scraper function for fine particles Primary and secondary seal Special BR design Optimized pressure profile Profile for pumping back oil

9 CIMS Measuring System Bosch Rexroth B.V. 9/15 CIMS Measuring system With the Bosch Rexroth measuring system, the most reliable solution to measure the movement of your hydraulic cylinder is there for you. The CIMS measuring system works in every environmental situation, such as dredging vessels, offshore plants, ship loading and unloading systems, tunneling machines and bridges. There is no environment where the CIMS measuring system does not work. Application of a CEC piston rod coatings is a prerequisite for the functioning of the CIMS unit, another Bosch Rexroth innovation. CIMS measuring system is a highly reliable, failsafe and accurate stroke measuring system for cylinders. The CIMS can easily be implemented in customer controls. The differential counting pulses are extremely protected against and insensitive to electrical noise. The pulses can be accepted by a variety of counters with differential line receivers. CIMS MKIII can be used for: Control of position Read-out of position Safeguarding / limiting of position Triggering of external actions CIMS MKIII offers fully digital signals for direct digital operation without any loss of accuracy and need for calibration. For less demanding applications conversion to analogue current or voltage is possible, but will ad an additional inaccuracy of approx. 0,2% full stroke. The CIMS MKIII sensor and electronics, are integrated in the cylinder head in a solid stainless steel housing outside the high pressure zone and fully protected against all environmental impacts. This construction also ensures easy serviceability and the possibility to offer redundant measurement solutions. A variety of electro-mechanical cable output from a high performance connector up to high pressure protection is available. Advantages Unlimited stroke length Basic accuracy better than 1 mm for all stroke length No calibration needed (1024 pulses / 10 mm) Data transmission over hundreds of meters Standard incremental counting pulses (quadrature) Easy interfacing to customer electronics for measuring, safeguarding and control Redundancy solutions possible Stainless steel housing Easy serviceability, without oil spillage All fragile parts protected against all impacts Extremely robust shock resistant Cable output fit for all environments Thousands of CIMS units in the field MTBF over hours Optional Ex II 2 G Ex d e mb IIB T4 Specifications Input Power consumption Output Output drivers Cable length Accuracy Hysterese Type of protection Max. velocity Operating temperature Requirements CEC piston rod coating Piston rod 45 mm V DC (UPS not included) 250 ma at 15 V DC Digital incremental encoder 1024x (A+B) pulses per 10 mm RS422.A differential line drivers Up to 500 m Linearity < 1 mm Temp. coefficient ± 0,025 mm/ C ± 0,05 mm IP 68 up to 10 m 1,5 m/sec - 25 to 60 C CIMS MKIII

10 10/15 Bosch Rexroth B.V. Flexible MTS for speed control Flexible MTS for speed control Introduction The heart of MTS sensors is the ferromagnetic measuring element, also known as the waveguide, and a movable position magnet that generates a direct-axis magnetic field in the waveguide. When a current or interrogation pulse passes through the waveguide, a second magnetic field is created radially around the waveguide. The interaction between the magnetic field in the waveguide and the magnetic field produced by the position magnet generates a strain pulse which travels at a constant ultrasonic speed from its point of generation, the measurement point, to the end of the waveguide where it is transformed into an electric pulse in the sensor element. The resulting signal is processed by the specialized electronics of the Temposonics sensor. Mechanical strain pulse Movable position magnet Magnet field of current pulse Magnet field of position magnet Magnetostrictive sensing element (Waveguide) Strain (torsion) pulse converter Current interrogation pulse Temposonics RF Series Non-contact technology an external movable magnet marks the position of the absolute Temposonics linear sensors eliminates the wear, noise and erroneous signal problems and guarantees the durability without any recalibration. Design enhances reliability The extremely robust sensors are modular in mechanics and electronics design. A profile or rod-shaped sensor housing protects the sensing element which gives rise to the measurement signal. The sensor head accommodates the complete modular electronic interface with active signal conditioning. Double encapsulation ensures high operating safety and optimum EMC protection. The position transmitter, a permanent magnet fixed at the mobile machine part drives over the sensor s stroke contactlessly and starts measuring the housing wall. Mounting of sensor in demanding environments Bosch Rexroth has mounted this sensor in the cylinder between plunger and shell completely protected against the underwater environment. The sensor is mounted in the head of the cylinder for easy service ability. The SS housing with seals ensures protection against the underwater environment. Also the cable can be protected against pressure and external damage by our sealed protection hose. The sensor is mounted in a pipe which gives the possibility to change the sensor without loosing the hydraulic function. This ensures easy serviceability. Advantages of Temposonics Rugged industrial sensor Absolute measurement Speed measurement at low speeds LEDs for sensor diagnostics Non-contact sensing with high durability High accuracy: Resulution up to 0,5 μm Linearity better 0,01% F.S. Repeatability 0,001% F.S. Direct SSI Output, Gray/Binary Synchronous measurement for real-time sensing Sensor can be replaced opening the hydraulic system. Attention If position measurement is required without speed control, Bosch Rexroth advises to use the Ceramax Integrated Measuring System (CIMS). The CIMS sensor is less space consuming, which allows Bosch Rexroth to deliver an hydraulic cylinder with a smaller shell diameter. This results in a significant positive effect on the total price of the Bosch Rexroth hydraulic cylinder.

11 Deflection calculation Bosch Rexroth B.V. 11/15 Deflection calculation Every Bosch Rexroth cylinder is calculated on a wide range of functional aspects. For the non ferrous caster of the most important issue is the deflection and rotation of the piston rod during the vertical casting process. Deflection and rotation will cause bended or twisted products and should be minimized to acceptable limits in order to meet the quality requirements for the end products. Please note that higher quality requirements lead to cylinders which have less deflection and rotation. This cylinder has a bigger plunger and bigger shell and for this reason will be more costly. (a big casting table will need a bigger cylinder to reach same end product quality.) Deflection The two major causes for deflection are clearance in the guidings and the bending moment. Clearance is needed to allow the plunger and piston to move trough the head and the shell of the cylinder. Bosch Rexroth has a special manufacturing procedure for this cylinder to reach the highest accuracy possible. Bending moment is caused by eccentricity in the casting weight. When billets are closed on one side of the casting table it will have a eccentric weight. For this reason it is important to know what the maximum quantity of closed billets can be on one side of the table. With less bending moment we can design a smaller cylinder and reach the same quality. Output of calculation The graph below shows the outcome of the calculation. The X-axis shows the stroke of the cylinder. The example below shows us a cylinder with stroke mm. Starting position of the vertical casting process is with plunger almost fully extended which corresponds with stroke 8,5 meter. In this position no billets are on the table so eccentricity / bending moment has value 0. With no bending moment the plunger will not have deflection. Because head piston distance is minimal in this position the tolerances between the parts give maximum movement at the piston rod end (appr. 1.5 mm). During the vertical casting process the bending moment will increase due to the increase of the total weight of the billets, The deflection will first increase due to the increase in bending moment. But when the piston rod becomes shorter and stiffer that has a positive influence on the deflection. Due to the increase of the distance between head and piston and the retracted plunger the clearance is quickly decreasing. Total deflection is sum of these values and is calculated in last column. Picture below shows us the chart in graph. Rotation Maximum rotation of the casting table is limited by the internal key. In order to allow the cylinder to move this key must also have a (very limited) clearance. Secondly the tolerance on the straightness of the key is a important figure for the maximum rotation of the table. For the rotation of the table also a bigger cylinder will cause less rotation than a smaller cylinder which has his key more close to the centre line of the cylinder. Normal values for the maximum rotation of the table are ±4 or ±5 (±4/60 or ±5/60 ) over the complete stroke of the cylinder. Billets in the middle of the casting table will not have any influence of rotation. For example: billets with distance of 1250 mm from the centre of the table and ±4 will have a theoretical maximum influence of appr. ±1,45 mm. Input for calculation On the last pages of this brochure a inquiry list in printed. In this list all necessary questions are presented. Most important questions for the bending and rotation calculations are: 1.) Required quality. This is maximum bending of the end product over the complete stroke and related allowed deflection/rotation. Stroke of product and cylinder are needed. 2.) Maximum bending moment on the plunger. 3.) Weight of casting table with all accessories. With all technical information we will make a input list. First rows are printed below: Deflection (mm) Stroke Input Centric load on the cylinder (weight of tabe etc.) Centric load on the cylinder (weight of centric billets) Casting weight at fully stroked in position: Stroke of the cylinder F centric: = Newton F billets: = Newton F cyl max: = Newton Total stroke: = 7500 mm

12 12/15 Bosch Rexroth B.V. Stick slip simulation Stick slip simulation Next to deflection and rotation an important quality item for the end products is preventing stick slip in the cylinder. Without preventing stick slip the very slow moving cylinder will have an inconsistent speed and corrugated end products will be produced. Low friction seals The first measure against anti stick slip are the special Bosch Rexroth low friction seals. These seals are described in this brochure. Stick slip simulation Bosch Rexroth has a in house developed simulation program where we can simulate the vertical casting process with the cylinder, hydraulic system and table & pay load. For this simulation several technical questions are in the 3 rd sheet of the inquiry sheet. This simulation will be done after basic design of the cylinder is ready and all dimensions of the cylinder are fixed. As a input parameter the stick and slip properties of the low friction seal system in combination with the rod coating have been tested and measured by our development group. The simulation outcome is an orifice diameter. This orifice will create a pressure drop over the piston during casting. The orifice serves as the damping function in the mass, spring system. Please note that during ordering the cylinder or shortly after also the hydraulic system must be fixed in order to simulate the cylinder correctly and design the cylinder with the correct size orifices. Δ Orifice Below graph shows speed measuring on the first seconds after casting process is started. After just 1,5 second the cylinder is moving with a constant speed of 3,2 mm/s. When stick slip occurs this horizontal line will immediately visualize this by showing fluctuations.

13 Inquiry list: General data Bosch Rexroth B.V. 13/15 General data

14 14/15 Bosch Rexroth B.V. Inquiry list: Technical data Technical data Quantity Type code Type denomination CY Application code HNP External mounting shell side ME7 Bore dimension Rod dimension Stroke length Cylinder construction B Revision index 10 Oil connections Position oil connections Piston rod surface Mounting rod side X Cushioning U Sealing system T Position sensor system Option 2 Country code N Remarks All details can be found on page 4 Viscocity range of the medium Rod extension cst mm Displacement transducer CIMS MTS No option Output signal 4-20 ma 0-10 V SSI Others Position indicator Limit-/proximity switch both sides front only rear only Pressures Operational pressure Mpa Will be calculated by Bosch Rexroth Design pressure Mpa Will be calculated by Bosch Rexroth Test pressure Mpa Will be calculated by Bosch Rexroth Miscellaneous Hydraulic function of the cylinder Plunger Moving frequency /Hour Moving amplitude mm Working stroke during operation Duty cycle Hours/day Design temperature range C Water temperature Environmental humidity 100 % Underwater The rod end is Not guided Preservation dope added No Weight cylinder (approximately) kg The exact weight without oil is found on the drawing Piston bearing Bronze Rod bearing Bronze Max. speed to touch head m/sec Country to operate Date Signature Must be filled out

15 Inquiry list: Additional data for non ferrous casting Bosch Rexroth B.V. 15/15 Additional data for non ferrous casting Data for simulation Minimum centric weight Casting weights of billets Piping length Oil volume in piping Height between power pack and cylinder head Type of switch valve (if present) Type of flow control (if present) kg kg meter litre meter Casting table, stopper block, etc. Or please send a picture of the casting table(s) Between cylinder and power pack Type of filter Type of flow meter (if present) Type and brand of the medium used Medium temperature Hydraulic diagram and parts list Minimum casting speed Maximum casting speed Maximum retracting speed Maximum extending speed Mechanical data Maximum eccentric bending moment at retracted position Maximum torque on rod end (shearing of key bolts) Maximum allowable deflection of rod end at maximum eccentric load Maximum allowable rotation of casting table at maximum torque C mm/s mm/s mm/s mm/s Please send this to your Bosch Rexroth contact How many billets may be stopped before casting process will be stopped? What quality of the billets is required? What quality of the billets is required? Additional data/remarks Date Signature Must be filled out

16 Bosch Rexroth B.V. Postbus AA Boxtel Kruisbroeksestraat RV Boxtel The Netherlands Tel Fax The data specified above only serve to describe the product. No statements concerning a certain condition or suitability for a certain application can be derived from our information. The information given does not release the user from the obligation of own judgment and verification. It must be remembered that our products are subject to a natural process of wear and aging HNP Bosch Rexroth Printed in the United States.