Universal MC-10 Series Owner'S Manual Download Page 1

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NON-POROUS

MINI-CODER

ALL MODELS

NPMC-19197

UNIVERSAL STENCILING & MARKING SYSTEMS, INC.

P.O. BOX 871 - ST. PETERSBURG, FLORIDA 33731 USA

PH: (727) 894-3027 FAX: (727) 821-7944

E-Mail: [email protected] Website: www.universal-marking.com

STENCILING & MARKING SYSTEMS

OWNER’S MANUAL

INSTALLATION - OPERATION - MAINTENANCE

Summary of Contents for MC-10 Series

Page 1: ...L STENCILING MARKING SYSTEMS INC P O BOX 871 ST PETERSBURG FLORIDA 33731 USA PH 727 894 3027 FAX 727 821 7944 E Mail sales universal marking com Website www universal marking com STENCILING MARKING SYSTEMS OWNER S MANUAL INSTALLATION OPERATION MAINTENANCE ...

Page 2: ...der Cleaning the Printing Dies PARTSLIST DIAGRAMS IMPORTANT NOTE UNIVERSAL products are manufactured to exacting standards and every available step has been taken to assure your complete satisfaction It is most important that the instructions contained in this manual are read and carefully followed for best results Failure to do so may result in unsatisfactory performance damage to the equipment a...

Page 3: ...ic in design and extremely effective in operation The relatively low cost of this system makes in plant printing of all types of non porous materials a practical reality The following pages of this manual explain the installation operation and maintenance of Non Porous Mini Coder and are the key to trouble free non porous printing The specification section includes drawings with the basic dimensio...

Page 4: ...6 mm 11 40 290 mm 1 18 30 mm 63 mm 2 48 2 90 7 33 8 69 74 mm 186 mm 221 mm 9 89 251 mm NET WEIGHT 4 LBS 10 OZ 2 10 KG MAXIMUM DIE SIZE US STANDARD 7 8 8 RIBS X 8 3 8 LENGTH MAXIMUM DIE SIZE METRIC CODERS ONLY 23 8 MM 7 RIBS X 212 7MM LENGTH PRINT DRUM CIRCUMFERENCE APPROXIMATELY 9 0 228 MM MEASURED AT DIE FACE ...

Page 5: ...0 107mm 11 40 290mm 1 18 30mm 2 60 66mm 2 90 74mm 7 33 186mm 8 69 221mm 3 98 101mm NET WEIGHT 4 LBS 5 OZ 1 96 KG MAXIMUM DIE SIZE US STANDARD 7 8 8 RIBS X 8 3 8 LENGTH MAXIMUM DIE SIZE METRIC CODERS ONLY 23 8 MM 7 RIBS X 212 7MM LENGTH PRINT DRUM CIRCUMFERENCE APPROXIMATELY 9 0 228 MM MEASURED AT DIE FACE ...

Page 6: ...nting configurations as shown in Figures 2 and 3 INDEXING AND NON INDEXING MODELS MOUNTING CONFIGURATION Note Due to the asymmetrical design of the Inking System on the Non Porous Mini Coder the mounting con figurations are not field convertible and must be properly specified when ordering Universal Non Porous Mini Coders are available in both indexing and non indexing models Indexing coders conta...

Page 7: ... a slightly different diameter from the U S versions The coder model numbers on Metric coders will have a T suffix and the Metric Drum Covers have a distinct pink color CODER MODELS DESIGNED FOR METRIC RIBtype PRINTING DIES Printing dies are also available in logo form in which a complete text message company logos or trademarks are produced on a single piece of rib backed rubber These logo dies a...

Page 8: ...dhesion on most materials and an average yield of just under 500 000 impres sions before replacement is necessary Since these rolls are not re inkable all references in the manual regarding the use of 4 Oz reservoir Ink Cartridges should be disregarded when us ing these rolls on your coder The ability to operate the coder without a Reservoir Ink Cartridge makes the MT Rolls particu larly well suit...

Page 9: ...s removed The Knurled Drive Wheel Cover is very loose fitting Note that the flat on the side of the Drive Wheel Cover is aligned towards the print drum During reassembly this must be replaced in the same position Rollers that have been pre inked at the factory are normally slightly oversaturated with ink to compensate for potential solvent loss during shipping and storage If you received a pre ink...

Page 10: ...ry blot excess ink from the sides of the roll with a dry paper towel before installation The Transfer Roll Surface is a finely engraved Delrin plastic material which can be easily scratched When assembled the Transfer Roll resides in a very close fitting cavity in Inking System Cover Carefully pulling the Inking System Cover directly away from the Base plate until it clears the Transfer Roll will ...

Page 11: ... and Inking System Cover in place 8 Install the ink roll on the Ink Roll Axle H by aligning the end of the rod or pencil with the end of the axle and push ing the roll onto the axle 9 Immediately replace the Inking System Cover D by care fully guiding the cover over the Transfer Roll G Try not to let the cover contact the surface of the Transfer Roll to prevent scratching Make sure the Cover is se...

Page 12: ... small amount of liquid detergent Lightly moisten the back of the printing die and then immediately press the die into the drum cover Do not apply too much liquid or the dies will slip during printing Note Do not apply silicone oil or any other lubricating agent to the rib backing or the dies will not hold properly during printing 12 Replace the Cover Retaining Knob C and lightly tighten Do not ov...

Page 13: ...tric Knob further than necessary towards the MAX position or the excess contact pressure will squeeze ink out of the ink roll and may cause dripping inside the cover FOR MOUNTING INSTRUCTIONS REFER TO THE APPROPRIATE SECTION FOR YOUR APPLICATION WEB PRINTING PAGE 17 CARTON PRINTING PAGE 21 With the printing dies installed on the print drum manu ally rotate the print drum continuously in one direct...

Page 14: ...ntegrity of the housing is such that the system can be left idle for days without risk of the ink roll drying out The ink roll is installed on an eccentric mounted axle which enables the roll to be adjusted into contact with the trans fer roll The surface of the transfer or anilox roll is finely engraved with thousands of microscopic cavities which picks up ink from the ink roll and transfers it t...

Page 15: ...rying than pigmented inks and normally produce less residue buildup on the transfer roll and printing dies thus requiring less frequent cleaning of the coder Although dye base inks are normally the easiest to use they will fade more rapidly than pigmented inks when exposed to direct sunlight Pigmented inks contain finely ground solids which are opaque providing much greater color contrast when mar...

Page 16: ... impression is trans ferred Refer to Figure 25 When printing on very slow moving web materials the print drum rotates at much slower speeds As a result when the dies rotate past the Transfer Roll and the ink is applied it may take several seconds for the dies to contact the web Since the solvents in the 100 Inks evaporate very rapidly at normal room temperatures even from the die faces the die fac...

Page 17: ...to the attitude of the coder frame is that the 4 oz reservoir ink cartridge when installed should be kept as near as possible to a ver tical position with the plastic ball pointing down This will ensure proper ink feed from the 4 oz cartridge to the ink roll When dis posable Type MT Ink Rolls are used on the coder 4 oz Reservoir Ink Cartridges are not used and therefore the coder can be mounted in...

Page 18: ... column into the mounting bracket and allow the print drum to pivot into contact with the idler roll Do not tighten the bracket clamping screw at this time 3 Using an adjustable wrench grip the Cam Block Figure 29 and rotate it approximately 10 15 de grees to compress the Tension Springs While holding the Cam Block in this position tighten the Mounting Bracket Clamping Screw This procedure is used...

Page 19: ...e mounted on custom designed extension arms which will enable them to print directly on the surface of a master roll of web material as it is unwound This technique is frequently used when conveniently positioned idler rolls are not available In these applications as the master roll of web material decreases in size the mounting arm pivots and keeps the print drum in constant contact with the surf...

Page 20: ...ment of the cartons as they pass the printing station is imperative as shown in Figure 33 Improper alignment will produce poor print quality poor print registration and in extreme cases could damage the ma chine Universal Non Porous Mini Coders are spring loaded so that the print drums will press against the carton surface on contact This pressure is necessary to accomplish the friction drive rota...

Page 21: ...tracking that the top of the print drum is parallel to the top of the conveyor see Figure 35 and the side of the print drum is parallel to the side of the carton see Figure 36 Once this alignment has been achieved tighten the mounting bolts In most applications installation of the printer can be accomplished by attaching the mounting bracket to the side rails of the powered conveyor using two 3 8 ...

Page 22: ...an affect on the ability of the coder to reliably transfer ink to the carton surface Production cycle rates ambient temperature and ink selection are also factors which have to be considered to ensure proper performance of the system Figure 39 illustrates the best die position for carton printing when using extremely fast drying inks Note that the leading edge of the printing die should be po siti...

Page 23: ...rotationally downstream of the transfer roll so they print much closer to the leading edge of the carton When the coder completes one printing cycle a portion of the die or all of the die may have already passed the transfer roll and picked up ink in preparation for printing the next carton The machine can remain idle like this for only a second or so before the next carton must contact the print ...

Page 24: ...s tem can be moved on the baseplate 3 Rotate the print drum until one of the char acters A is centered against the transfer roll B as shown in Figure 41 Gently slide the inking system towards the print drum applying a minimal amount of force While holding the inking system in position lightly tighten the 2 Inking System Mounting Screws 4 To check for proper adjustment rotate the print drum until t...

Page 25: ...ee angle to the center line of the Base Plate In this position the coder Base Plate will pivot only in the clockwise direction A Left Hand Coder Model would function just the opposite of this If greater print drum contact pressure is needed the 2 Tension Adjusting Knobs can be readjusted to compress the springs more in the resting state To make this adjustment loosen the nylon tip set screw in eac...

Page 26: ...it over placing the un inked side down in the container Repeat the process above until all the ink in the container has been absorbed into the roll After this process is completed the roll should immedi ately be installed on the coder or it should be placed back in the storage container and the lid tightly sealed to prevent solvent evaporation Note Dry rolls cannot be inked automatically using the...

Page 27: ...OL VENT If the transfer roll is submerged in solvent the bearings will be permanently damaged CLEANING THE CODER Periodically the inking system should be disassembled and inspected for ink residue and dust contamination To remove ink contamination from the surface of the machine moisten a soft cotton cloth with the appropriate ink solvent and rub it across the contaminated area See Figure 48 Note ...

Page 28: ... the ink to the surface of the material being printed As the ink begins to dry this binder becomes tacky or sticky While in this stage of the drying process the tack on the dies will tend to pick up both airborne dust and any dust or dirt on the surface of the material being printed When this happens the dies should be cleaned or replaced The easiest method of cleaning the dies requires the approp...

Page 29: ...RUMBEARING 1 CB 04 2 PRINTDRUMSQUAREBEARERRING 2 MC 01S 2 1 1 8 MINI CODER RIBtype RING 3 1 4 1 MC 43 MC 43T MC 26NP MC 26NP I MC 26NP T MC 26NP I T 1 1 8 MINI CODER RIBtype RING METRIC 1 PRINT DRUM NON INDEXING 1 PRINT DRUM INDEXING 1 PRINT DRUM METRIC NON INDEXING 1 PRINT DRUM METRIC INDEXING 1 2 3 4 ...

Page 30: ...30 NON POROUS MINI CODER MC 10 MC 10NI SERIES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 30 29 28 27 31 32 33 34 35 36 37 38 39 40 41 42 43 44 ...

Page 31: ...INGATTACHMENTRING LARGE PRINTDRUMINDEXSPRING 1 1 INDEXING PRINTDRUMASSEMBLY COMPLETE 1 NON INDEXING PRINTDRUMASSEMBLY COMPLETE METRIC 1 INDEXING PRINT DRUMASSEMBLY COMPLETE METRIC 16 17 18 19 20 21 22 23 24 CW 01M HP 06 NP 19 NP 04 LS NP 04 RS NP 04 LT NP 04 RT HP 42 NP 20M 1 2 1 1 2 1 SET SCREW 8 32 X 3 16 CPS ECCENTRIC KNURLED KNOB MC INKING SYSTEM BASEPLATE LEFT HAND SIDE MOUNTASSEMBLY DELRIN W...

Page 32: ...ROLL AXLE MOUNTING BRACKET MOUNTINGCOLUMN SNAP RING FOR 3 4 SHAFT 3 4 STEEL FLAT WASHER 1 3 8 BRASS FLAT WASHER SCREW 3 8 16 X 1 1 2 SHC 3 8 STEEL FLAT WASHER 37 40 41 43 CW 05 MC 104 CF 05 MC 14 CM 33 MC 36 2 1 2 2 CAM BLOCK ASSEMBLY SET SCREW 8 32 3 16 S S NTS TENSION ADJUSTING KNOB SPRING BLOCK C TENSIONSPRING 1 1 38 39 42 44 1 2 3 4 NYLON FLAT WASHER KEY NO DESCRIPTION QTY REQD PARTNUMBER MC I...

Page 33: ...OUS MINI CODER CE GUARD MC 10 MC 10NI SERIES KEY NO DESCRIPTION QTY REQD PARTNUMBER NP 64 MS 36 NP 65 NP 66 1 2 1 2 1 2 3 4 CE GUARD PLATE 1 SCREW 8 32 X 1 2 SHC SCREW 6 32 X 1 4 SOC BHC CE GUARD PLATE 2 1 2 3 4 ...

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