BF-330V / 460V Vertical Buffer Conveyor


  • SMEMA compatible

  • Fast, smooth and accurate retrieval position

  • Optional for extended guide rail in front or back

  • Three operation modes: FIFO, LIFO, Pass-through

  • Transmission with durable roller (no need to replace the belt)

Customization is always available, please mark down your need when contact us.

What is a vertical buffer?

A vertical buffer is an engineered storage system designed to temporarily hold raw materials, work-in-progress or finished goods arranged vertically within a compact footprint. Vertical buffers serve as an interim staging area between processes.

The importance of vertical buffers in modern manufacturing

Vertical buffers enable efficient material staging and inventory holding directly on the production floor. By overcoming space constraints, they are indispensable for streamlined workflows and lean manufacturing.

The different types of materials that can be stored in vertical buffers

Vertical buffers can handle finished or semi-finished parts, sub-assemblies, boxes, totes, cartons, containers or pallets across various industries from automotive to e-commerce fulfillment.

Understanding Vertical Buffers

Definition and basic components

Vertical buffers consist of multiple vertically arranged shelving levels on which materials are stored combined with automated or manual lift systems to place and retrieve items from the shelving.

Types of vertical buffers

Automated vertical buffers:

Utilize automated guided vehicles or robotic pickers to store and retrieve items without human involvement.

Manual vertical buffers:

Rely on human operators to access stored items using platforms, stairs or lifting aids. More economical but slower.

Working principle and operation

Materials are temporarily stored on the shelving. LIFO, FIFO or specific retrieval sequence logic is used to place and pick items automatically or manually based on production needs.

Benefits of Using Vertical Buffers

Increased storage capacity in limited floor space

Vertical orientation maximizes storage density, enabling sizable buffer inventory holding on the production floor itself.

Improved material flow and production efficiency

By staging materials at point of use, vertical buffers eliminate delays associated with offsite storage and enhance workflow.

Enhanced flexibility in handling different product types

Shelving and automated storage/retrieval systems can be adjusted to handle varying item sizes and geometries.

Minimized bottlenecks and production downtime

Adequate in-process inventory held in the buffer smoothens workflows and absorbs disruptions preventing line stoppages.

Key Features of Vertical Buffers

Vertical shelving and stacking mechanisms

Modular slots, racks, platforms or carts allow configuring shelving optimal for the items to be stored.

Conveyor integration and material flow control

Vertical buffers interface with upstream/downstream conveyors and production machinery through gates and conveyor controls.

Customizable buffer capacity and configuration

Shelf dimensions, number of levels, lift type and controls can be tailored to application-specific storage volume needs.

Safety features for smooth operation

Guarding, access interlocks, emergency stops, alarms and sensors enhance safe operation. Stack light indicators signal buffer status.

Industries and Applications

Manufacturing and production facilities

Vertical buffers enable work-in-progress storage for items like automotive doors or machine components between production processes.

Warehousing and distribution centers

Facilities with space constraints utilize them to cost-effectively stage picked items for sorting and shipping.

E-commerce fulfillment centers

Compact vertical buffers allow quick access to rapidly moving consumer goods to speed order processing during peak seasons.

Choosing the Right Vertical Buffer

Evaluating specific storage and throughput requirements

The required buffer inventory capacity, item dimensions, weight, production volumes and line layout impact selection.

Considering buffer capacity and handling speed

Standard buffers have capacities ranging from 50 – 500 cubic feet and can handle up to 1500 picks per hour. Customization is possible.

Customization options for unique manufacturing needs

Shelf dimensions, lift types, platform gates, conveyor interfaces and controls can be tailored to the application.

Cost-effectiveness and return on investment considerations

The high throughput and floorspace savings offset the significant initial investment. Payback is typically seen within 2 years.

Installation and Maintenance

Pre-installation preparations and site evaluation

Installation site is assessed for available utilities, floor loading capacity, clearances and interface needs during site survey.

Proper integration of vertical buffers into the production line

Experienced technicians ensure optimal integration, safety mechanisms, conveyor alignments and controls during commissioning.

Routine maintenance to ensure optimal performance

Preventive maintenance schedules cover inspecting lifts, motors, bearings, sensors, and shelving integrity periodically.

Troubleshooting common issues and solutions

Faults like misaligned conveyors, jammed lifts or shelving failures are promptly troubleshot to maximize uptime.

Comparing Vertical Buffers with Traditional Storage Systems

Horizontal storage vs. vertical buffers

While horizontal warehouses take up large amounts of floor space, vertical buffers maximize density and enable point-of-use storage.

Advantages of vertical buffers in space utilization

For a given footprint, vertical buffers provide 5-10 times more storage capacity than conventional horizontal storage methods.

Efficient material handling and retrieval

Vertical buffers use lifts or AGVs to provide fast, automated storage and buffer replenishment not feasible with horizontal storage.

Ensuring Safety and Efficiency

Operator safety measures during buffer operation

Access guarding, safety harnesses for elevated platforms, emergency stops and interlocks safeguard workers from injuries.

Emergency stop and safety interlock systems

Emergency stops instantly halt buffer operation during faults. Interlocks prevent dangerous conditions.

Training for personnel operating vertical buffers

Buffer operators need extensive training in safe material handling, proper loading/unloading techniques and equipment protocols.

Specification of BF-330V / 460V Vertical Buffer Conveyor

DescriptionApplied at the lower position of printer/oven
Cycle timeApprox. 10seconds
Maximum PCBs capacity25pcs (support customization)
Power supplyAC 110/220 volts; single phase
PowerMax. 250VA
Transport height900 +/- 20mm (support customization)
Transport directionL to R/R to L

Dimension of BF-330V / 460V Vertical Buffer Conveyor

(LxWxH, mm)
PCB board size (LxWxH, mm)Weight


Recap of the significance of vertical buffers in modern manufacturing

Vertical buffers enable optimized factory material storage and flow by providing high-density, easily accessible interim staging inventory directly on the production floor.

Emphasizing their role in optimizing storage and throughput

By overcoming space constraints and smoothing material movement, vertical buffers are indispensable for efficient, buffered production workflows.

Encouraging industries to adopt vertical buffers for increased efficiency, productivity, and space utilization in material handling operations

The substantial benefits make vertical buffers a compelling technology for manufacturers aiming to maximize productivity and adaptability within limited production floor footprints.


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