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Marathon SLA

Marathon SLA Overview

(Picture shown is Marathon SLA+ with double roll stand)

THE MARATHON® SLA is the all Allen-Bradley low to mid speed model in the Marathon series of labelers. Marathon roll-fed labelers feature SMARTdrive®, the industry's first, all-electronic drive train. Based on a four-axis servomotor design supported by four variable frequency drives, SMARTdrive® eliminates the mechanical complexity of other labeling machines. As a result, Marathon offers simpler operation, faster changeovers, and increased uptime and productivity for the lowest total cost of ownership over the machine lifetime.

  • Introduction
  • Highlights
  • Principles of Operation
  • Features
  • Options
  • Specifications
  • More Information

Introduction

Marathon SLA Overview

( Click to enlarge )

Actual recorded data taken on changeover from 2 liter to 20 oz containers. Changeover time -- defined as the time between full production speeds -- including the removal and replacement of change parts.

MODULAR PLATFORM


The Marathon SLA utilizes the in-line, roll-fed labeling concept invented by B & H, and B & H's patented Constant Velocity Starwheel System, to apply wrap-around labels to cylindrical containers at speeds up to 350 containers per minute (CPM). Modular in design, the SLA offers a range of options and operating speeds to fit a wide range of applications in the food, beverage, and household product markets. A base model Marathon SLA can also be upgraded in place to increase its operation speed or to add available options like a second roll stand that can increase productivity.

SMARTdrive® FOR HIGH PRODUCTIVITY AND LOW TOTAL COST OF OWNERSHIP


Accurate labeling of containers requires precise synchronization of all machine operations.
Marathon is the first labeler to feature SMARTdrive®, a digitally based timing control system using multi-axis, independent servomotors communicating on a high-speed bus. In other labelers, synchronization is achieved by mechanically linking and timing machine components using gears, belts or chains. Marathon's simplified SMARTdrive design also uses significantly fewer mechanical parts and delivers more consistent and accurate label application over the machine life. Other benefits include higher reliability and uptime, and lower total cost of ownership over the life of the labeler.

FAST, 15 MINUTE CHANGEOVERS


Key machine set-up parameters are stored in a "recipe" database and downloaded for each container and label combination. The PLC then automatically sets all key components to their zero position so labeling can begin. This eliminates the need for tedious machine
adjustments after replacing change parts. Marathon sets a new standard for container changeover
time - less than 15 minutes from one full production speed to the next.

DESIGNED WITH THE OPERATOR IN MIND


Set-up and control is simplified with an operator HMI that swivels for easy viewing. Its color
touchscreen interface offers intuitive features such as drop-down menus, graphics, and navigation bars.


Highlights


  • Everyday production speeds up to 350 containers per minute
  • Available in straight through conveyorconfiguration
  • Allen-Bradley controls and drive train components standard
  • Single electrical cabinet can be located up to 80' from labeler
  • 15 minute production speed to production speed size changeovers
  • Patented constant velocity starwheel system delivers smooth, efficient container handling
  • Advanced Registration Control system is standard
  • Marathon SLA PLC can be programmed to execute upstream and downstream line control functions to maximize productivity
  • Lower maintenance requirements and lower spare parts consumption versus mechanical or rotary labelers
  • Superior Total Financial Impact (TFI) versus other labelers based on higher productivity and lower total cost of ownership
  • B & H's TFI model and process can calculate and compare the total financial impact of Marathon versus any competitive technology

Principles of Operation

Marathon SLA Overview

( Click to enlarge )

Marathon SLA - Principles of Operation

Labels are supplied in the form of a continuous web, cut in precise registration with a printed graphic, and then a hot melt adhesive is applied to the label using a rotating glue wheel. Containers enter the machine via an infeed conveyer and are precisely metered and separated using a starwheel with pockets. The starwheel delivers the container to a rotating vacuum drum that is carrying the glued label. Precise label application is achieved by rolling the container across the label-bearing surface of the vacuum drum. The labeled container is then discharged from the vacuum drum and exits the machine via a discharge conveyor.


Features

General Features


CONVEYOR: straight-through conveyor configuration, stainless steel, left hand feed

TABLET0P & LOWER GUARDING: stainless steel

UPPER GUARDING: swing out, polycarbonate doors with safety interlocks standard

MAIN DRIVE SYSTEM: SMARTdrive®, all Allen-Bradley electronic drive train with five servo axes and four variable frequency drives

PLC: Allen-Bradley

HOT-MELT SYSTEM: Nordson re-circulating, continuous flow

VACUUM SYSTEM: multi-valve system with independent controls

ELECTRONICS ENCLOSURE: dual cabinets, stainless steel; built-in air conditioner

OPERATOR CONTROL STATION: color HMI touchscreen

CHANGE PARTS: color-coded, Rapid Changeover (RCO®) change parts standard

Container Handling Features


CONTAINER INFEED: patented Constant Velocity Starwheel System for smooth container handling and fast changeovers

AUTOMATIC LINE SPEED CONTROLS: automatic adjustment of machine speed based on container supply at infeed and discharge

MISSING CONTAINER DETECTION & ALARMS: standard

ROLL-ON PAD: fine adjustment for pitch control

Label Handling Features


REGISTRATION CONTROL: Allen-Bradley, Marathon Advanced Registration Control System standard

LABEL ROLL STANDS: single, enclosed label roll stand with automatic tensioning system standard

LOW REEL ALARM: detects low reel status and automatic alarm notifies operator; label countdown capability allows operator to minimize butt-roll label scrap

BROKEN WEB SAFETY & ALARM: detects broken web condition and automatically shuts down machine

VACUUM DRUM SAFETY & ALARM: detects missing label on vacuum drum and automatically shuts down machine

Advanced Software Features


ADVANCED HMI FEATURES:

SYSTEM SECURITY: configurable by site and by logon ID

EXTENSIVE TROUBLESHOOTING DISPLAYS: standard

DOWNLOADABLE SET-UP RECIPES: Easy machine set-up and fast changeovers


Options


INVATION™ CUTTER

WEBTRACKER

ROLL-ON BELT SYSTEM

SECOND ROLL STAND

REMOTE ACCESS MODULE

QUICK RELEASE HAND VALVES FOR LABEL ROLL CORE CHUCKS

ADDITIONAL SETS OF RCO CHANGEPARTS

CONTACT B & H FOR A COMPLETE LIST OF AVAILABLE OPTIONS

Specifications

Speed Range*: nominal speed range: 50 - 350 CPM (containers per minute) depending on
container size and selected options

Container Handling:
B & H's patented Constant Velocity Starwheel System

Container Size Range*:
Container volume: 8 oz. To 3 liter

Label Panel Diameter Range:
Marathon SLA: 1.88 - 5.02 in (47.8 - 127.5mm)
Marathon SLA+: 1.88 - 6.14 in (47.8 - 155.9mm)

Label Size Range*:
Length (for complete wrap):
Marathon SLA: 6.28 - 16.24 in (159.5 - 412.5 mm)
Marathon SLA+: 6.28 - 19.79 in (159.5 - 502.6mm)

Width:
Marathon SLA/SLA+: 1.0 - 9.5 in (25.4 - 241 mm)

Container Materials:
Plastic, glass, metal, fiberboard

Label Materials:
Paper, PP, BOPP, PVC, PE, and PS, in single and multi-layer structures

Ambient Operating Conditions:
Temperature: 50o- 120o F (10o- 49o C)
Relative Humidity: 10 - 90%, non-condensing

Electrical:
Main voltage: 380 - 480 VAC; 3 phase; 40 amps max

Air:
80 PSI via 0.5 NPT; Consumption approximately 2 CFM

Conveyor Configuration:
Straight-through, left-hand infeed, stainless steel

Conveyor Height: Adjustable 36.5 to 39.0 in (927mm - 991mm)

+ Specifications subject to change without notice.
*Container diameter, label length, and speed range specifications are based on a standard machine configuration. Applications outside of this range require evaluation by B & H.


More Information

Related Resources:

  • Marathon SLA Data Sheet
  • B & H Labeling Systems Introduces New Marathon® SLA



  

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