5 Factors to Consider Before Buying Tissue Paper Converting Equipment

A tissue converting line can meet the rewinder’s quoted speed and still miss its shipment target. A log saw may lose time handling soft rolls, a wrapper may slow down on a retailer’s pack format, or frequent changeovers may cut into the shift. Test those conditions with the supplier before signing the order.

Before buying tissue paper converting equipment, evaluate five factors: the fit with your products and paper, sustainable output across the whole route, compatibility with your site and existing machinery, total cost per good unit, and the supplier’s acceptance and support plan. Use the same assumptions across quotations and make the results testable. This approach works for a single replacement machine as well as a line that starts with parent reels and ends with packed tissue.

Quick answer: Send suppliers an identical brief with finished product samples, parent reel specifications, planned shift volume, pack formats, and the factory layout. Ask each supplier to identify the limiting stage for your main products, list what is included, and show how it will verify good output, quality, changeovers, and support at the installed line.

1 Match the equipment to your products and paper

Start with a list of stock keeping units, or SKUs, the factory must produce. Separate launch products from future options. Include the expected annual volume and typical run length for each important SKU. A factory with two formats running for several shifts at a time needs a different setup from a private label converter changing roll size, embossing, and packaging several times a day.

Choose the converting route from the finished product

For toilet rolls and kitchen towels, the usual route winds one or more plies into logs that are cut into individual rolls. Depending on the product, it may also require perforation, embossing, ply bonding, core feeding or coreless formation, and tail sealing. Facial tissue and folded hand towels use a different product path: fold or interfold the web, count and transfer stacks, then cut and pack as required by the design. A slitting rewinder that changes reel width serves a different purpose from a consumer-roll rewinder that produces logs for a log saw.

For a rolled SKU, specify width across the roll face, outer diameter, core inside and outside diameters where applicable, usable paper length, perforation pitch, ply count, roll firmness test, and pack count. These dimensions describe different characteristics. A target diameter alone does not establish paper content, and a cut width tells the supplier nothing about the number of sheets on the roll.

For folded tissue, provide a dimensioned fold drawing and a sample of the finished pack or dispenser. Terms such as V fold, interfold, and bottom pull are useful starting points, but the actual geometry determines stack handling and dispensing. Ask the supplier to demonstrate extraction after packing; a stack that looks correct at the folder discharge may behave differently after compression and transfer.

Specify a workable range of raw materials

Record parent reel width, maximum diameter and weight, core dimensions, basis weight per ply, ply count, and the paper grades you plan to buy. Supply representative reels or samples when feasible. If there are several sources, identify the material most likely to be difficult to run. Tissue with the same nominal basis weight can behave differently because of bulk, stretch, strength, moisture, or reel condition.

Ask the supplier to identify how the machine maintains web tension and ply alignment through the expected range. Check whether the proposed unwind system can handle the available reel sizes and loading method. For premium embossed products, examine the finished roll after winding, cutting, and packing. Pattern definition, ply integrity, and roll firmness can change between the embossing section and the finished pack.

Do not assume the machine will run at its highest quoted speed throughout every stated material and size range. Request an operating range by priority SKU, with the configurations or materials behind each claim. If a feature is important, such as mechanical ply bonding, a special fold, or a coreless start, ask for evidence with the required product. Valmet’s tissue converting pilot trial program illustrates how trials can examine the interaction between paper, winding technology, and finished product features under defined conditions. A pilot sample can support product selection; it does not prove installed line capacity.

Separate adjustments from tooling changes

Ask which SKU parameters an operator can change at the machine interface and which require physical work. Recipes may store sheet count, speed references, or packaging settings, while a new roll diameter, fold geometry, embossing pattern, or bag format may require guides, knives, rollers, or forming components. Have the supplier price the format parts and state the time, tools, and staff needed to fit them.

Measure a representative changeover from the last acceptable pack of one SKU to the first acceptable pack of the next. Include setup, trial material, and quality verification. The exercise matters most on the SKU pairs you will switch between most often. A broad format range has limited commercial value if frequent changes consume the production time needed to fill orders.

What to request: A product and paper matrix with proven configurations, stated exclusions, required format parts, and the quality measurements used to approve each priority SKU.

2 Calculate sustainable output for the complete line

Put all capacities on one basis before comparing quotations. A rewinder may be rated in meters per minute, a log saw in cuts per minute, an interfolder in sheets per minute, and a wrapper in packs per minute. Confirm whether each rate refers to one lane or the whole machine and whether the stated unit counts individual plies, complete sheets, rolls, packs, or cases.

For roll products, use wound paper length and the approved cut plan to convert web speed into rolls per minute. Ask how core changes, log exchange, end trim, and cutting cycles affect output. For folded products, verify the meaning of the sheet counter, the number of active lanes, the target stack count, and the way the folder hands stacks to cutting or packing. In both cases, the bottleneck should be expressed in the same finished product units as the sales and production plan.

A worked example for a four-roll pack

Assume a line must deliver 25,000 saleable four-roll packs in 450 planned production minutes. For this example, the rewinder can produce 10 logs per running minute for the specified SKU, and the cutting plan yields 30 rolls per log after planned end trim. The log saw can supply 288 rolls per running minute at the agreed roll size. The wrapper can handle 70 four-roll packs per running minute. These are hypothetical rates used to compare stage capacity, not DCY performance figures.

The wrapper sets the running capacity in this example. At the assumed 80 percent net factor, the plan has only 200 packs of margin. If the wrapper can sustain 65 packs per running minute on the specified film, and the same remaining loss factor applies, the line produces 23,400 good packs and misses the target by 1,600. Increasing rewinder speed alone does not close that gap.

Here, the net factor is a planning allowance for the time, speed, and quality losses that remain after the operating rates and planned trim already accounted for in the example. It is not a guaranteed efficiency or a formal OEE calculation. In a supplier model, state which losses each rate already includes. For example, if the log rate incorporates routine log exchange and the cutting plan excludes end trim, do not subtract either again. Count rejects at the finished product boundary and avoid mixing running minutes with planned minutes.

Check the constraint for more than one SKU

The constraint can move when the pack format changes. A four-roll pack and a six-roll pack consume different numbers of rolls per wrapper cycle. A larger roll can also change saw handling, pack infeed, or sealing time. On a folded tissue route, a higher sheet count may reduce packs per minute even when the folder’s sheet rate is unchanged. Ask for a capacity sheet by priority SKU and a representative production schedule that includes changeovers.

An accumulator helps when the next stage stops briefly. Its benefit depends on free space at the time of the interruption and the rate at which it can empty after restart. If a buffer has room for 140 packs and the upstream section feeds 70 packs per minute while downstream flow is zero, it offers two minutes of theoretical storage. If the wrapper remains slower than the incoming flow when both are running, the buffer will eventually fill regardless of its size.

For an expansion, verify the bottleneck using plant records before buying more equipment. Compare planned minutes, good output, downtime reasons, waste, and format changes on the same SKUs. A new wrapper or better transfer may recover more usable capacity than a faster rewinder when downstream blocking causes the lost time. DCY’s guide to automation in tissue converting explains how to distinguish local machine improvement from line-level results.

What to request: A line balance by SKU with rates for every stage, the loss assumptions, the expected good packs per planned shift, and the method for verifying the numbers during acceptance.

3 Verify the equipment scope and fit with your factory

The phrase complete line may describe very different supply packages. One quotation may end at the log saw discharge; another may include wrapping, bundling, conveyors, and palletizing. The difference affects cost, staffing, and the interfaces the buyer must arrange. Mark exactly where the supplier’s responsibility starts and ends. DCY’s overview of what is included in a complete tissue paper production line can help identify modules that belong in the scope discussion.

Compare the modules and handoffs

Put each item in one of four categories: included, optional with a price, supplied by the buyer or another vendor, or excluded. Account for parent reel handling, unwind stands, core supply, embossing and bonding, product forming, cutting, transfer, accumulation, wrapping, end-of-line handling, inspection, and reject collection as applicable. List tooling, guards, drawings, training, and commissioning separately so they cannot disappear inside a general equipment description.

For each equipment boundary, identify the physical transfer and the control handoff. A replacement wrapper needs the actual roll orientation, transfer height, spacing, and infeed rate. Controls must communicate relevant states such as ready, blocked, or faulted and respond coherently when a buffer fills or communications are interrupted. Ask the suppliers to agree who provides the conveyors, signals, drawings, testing, and on-site integration.

When the line includes an existing or third-party machine, assign one coordinator to own the interface and follow faults across the boundary. A saw supplier and a wrapper supplier may each demonstrate their own equipment while an unsuitable transfer remains unresolved. Include an integrated handoff test and identify who corrects deviations from the agreed interface design.

Review a dimensioned layout and utility schedule

Ask for a general arrangement drawing before approving the configuration. Check the complete operating envelope, including reel loading, doors and access routes, lifting space, guards, operator positions, cabinet access, dust extraction, maintenance removal paths, and packaging material replenishment. Confirm that the largest reel and major replacement assemblies can reach their destinations. Compare the proposed layout with the site dimensions and floor conditions, not just the footprint of the machine frame.

Request electrical load and operating demand separately. Review voltage and frequency, compressed-air pressure and consumption, vacuum needs, extraction, environmental conditions, and floor loading as applicable. Specify who supplies the connections, distribution, ducting, and any local work. A utility list should identify both the quantities needed and the point at which each service connects to the line.

Have qualified plant staff and the supplier review how access, isolation, safeguarding, and safe restart are coordinated across the installation. Establish responsibilities before layout approval, especially when a new machine joins an existing line. Local site and project requirements should be reflected in the technical proposal and verified during acceptance.

Choose automation around the actual work on each shift

Ask which tasks are automatic at the proposed scope: core feeding, log exchange, transfer, stack counting, pack inspection, or pallet handling, for example. Verify which tasks still need people, including reel loading, threading, replenishment, sampling, cleaning, and clearing faults through the approved procedures. A machine described as automatic may still rely on manual work at adjacent stages.

For a retrofit, compare installation downtime with the planned production calendar. Check what can be prepared off-line, which interfaces can be tested before the outage, and what the factory will do if commissioning takes longer than planned. Confirm who owns the existing settings and backups, and how the plant can return to a known operating configuration when a change does not pass its test.

What to request: A dimensioned drawing, utility schedule, included-and-excluded equipment list, and an interface matrix naming the owner and test for each handoff.

4 Compare total cost per saleable unit

Compare quotations at the same production volume, product specification, and equipment boundary. The capital cost should cover the route you actually need, including transport, site work, installation, commissioning, and initial spares where applicable. Keep these items visible so a low equipment price cannot mask costs transferred to the buyer.

Operating costs include paper loss, cores and packaging, staffing, utilities, wear parts, maintenance, and service. Some costs depend on the SKU mix and the number of changeovers. Ask the supplier which consumables are proprietary, which parts are stocked locally, and whether different formats require extra tooling. Compare operating demand under the same production conditions rather than using installed motor power as a proxy for energy use.

Use the same material yield boundary

Track paper used against paper contained in acceptable products. Separate planned trim, startup waste, web-break waste, off-specification rolls or stacks, and packaging rejects where the records allow. Some losses can be recovered or recycled, but any recovery credit should be valued consistently. A line that produces the same number of packs using less paper may have better yield, or it may simply be making a lighter product. Verify the specification before attributing the difference to efficiency.

Time efficiency and material yield answer different questions. Downtime may reduce output without consuming much material; a reject consumes paper even when the machine runs at full speed. For a useful cost model, count labor, paper, and lost time according to how the factory will incur them. Avoid charging lost margin and full recovery overtime for the same product when the missed units are ultimately produced and sold.

A simplified five-year cost comparison

Assume two configurations both qualify for the same products and deliver 10 million good packs per year. The figures below are hypothetical. Annual costs include the operating items that differ between the proposals. Identical paper and packaging costs are excluded from both columns. Any difference in waste is included in the respective annual cost. This is a simplified, undiscounted comparison with no residual value or financing effects.

Proposal B requires USD 90,000 more at installation but costs USD 28,000 less per year under these assumptions. Its added investment is recovered in about 3.2 years if those annual savings persist. If the annual difference drops to USD 14,000, the added investment takes about 6.4 years to recover, beyond the five-year comparison window. The higher purchase price is justified only when the underlying savings are credible.

Build at least a base and downside case. Test the assumptions that can change the decision: hours of production, actual material yield, packaging speed, staffing, spare lead times, and the volume of extra output you can sell. Distinguish reduced hours on paper from a real avoided cost. A staffing reduction may have cash value only if the plant can remove overtime, avoid hiring, or redeploy the team to a measurable production need.

If two proposals do not produce the same volume, compare both unit cost and the ability to meet demand. A lower unit cost does not cover a shortfall on a contracted SKU. For a capital decision, follow the company’s usual cash-flow process and include ramp-up, production interruptions, and the timing of major rebuilds. Use actual quotations and factory data instead of generic payback claims.

What to request: An itemized installed cost, the operating assumptions behind staffing and utilities, a priced tooling and spare parts list, and evidence for the material yield used in the cost model.

5 Define how the supplier will prove and support performance

A quotation should describe the evidence the buyer will receive before shipment and after installation. A short demonstration can show that the machine operates. Sustained performance for a particular SKU requires a defined run duration, representative materials, an agreed output boundary, and measurements that distinguish good products from rejects.

Plan trials and acceptance before placing the order

Start with an agreed list of trial products. Include the main volume SKU and, where feasible, a difficult grade, format, or changeover that could affect the purchase. State which paper, cores, films, bags, or cartons each party provides. Approve measurement methods for the product characteristics that matter: usable length and tear quality for a toilet roll, count and dispensing for facial tissue, or seal quality and correct count for a wrapped pack.

Factory acceptance testing, or FAT, checks the equipment and the functions that can be demonstrated before shipment. If the customer’s existing wrapper, palletizer, or another vendor’s module is unavailable at the factory, record what cannot be tested and move those checks to the site protocol. Include relevant start, stop, replenishment, and changeover events in the test. Agree in advance how interruptions and deviations are recorded and retested.

Site acceptance testing, or SAT, verifies the installed route with agreed materials, utilities, and personnel. Measure good product over a stated duration and record the speed, rejects, interventions, and stop reasons. Agree which issues block handover and which can remain on a list with an owner and due date. For a new line, distinguish the initial acceptance result from the output you expect after operators are trained and the product mix stabilizes.

Check how the factory will recover from faults

Request operator and maintenance training, final drawings, parts lists, and the software, recipes, and parameter backups the buyer is entitled to receive. Confirm who can restore the controls after a replacement, including compatible hardware, tools, licenses, and supplier assistance where required. Make the handover package part of the order rather than assuming every item is included.

Ask for the warranty start date, covered components, exclusions, and who pays for labor, travel, freight, or duties. Check critical spare availability by part number, revision, and stocking location. Separate a response target from diagnosis, part dispatch, on-site arrival, and verified restart. A quick reply has limited value if the right part cannot be identified or no one is assigned to install and test it.

Ask the supplier to explain one representative failure, such as a packer stopping the whole line on a night shift. Who receives the case? Who can diagnose a transfer fault involving two vendors? What part would the factory stock? How would the team verify acceptable output after repair? DCY’s implementation support and after-sales support pages outline services to discuss. Confirm the actual visits, responsibilities, warranty terms, and response targets in the project proposal.

What to request: Written FAT and SAT protocols, measurable acceptance criteria, a handover and training list, and a service schedule with spares, escalation contacts, and warranty boundaries.

Turn the five factors into one request for quotation

Send the same request for quotation, or RFQ, to every shortlisted supplier. Include the SKU list, raw materials, pack samples, shift calendar, target good output, site drawing, and the scope boundaries. Require each supplier to return its assumptions and exceptions in writing. If a proposal uses a different paper grade, excludes the wrapper, or measures output at a different point, resolve the discrepancy before comparing prices.

Review the evidence with purchasing, production, maintenance, and the site engineering team. Resolve mandatory requirements first. A lower price cannot compensate for a machine that fails an essential SKU or cannot be connected safely to the existing line. Once the technically viable proposals are clear, compare cost and the remaining risks on a common basis.

Frequently asked questions

Should I buy a complete line or upgrade one machine

Use plant records to locate the constraint. Replacing one module can be a better investment if the rest of the line has capacity and the new equipment can be integrated. A complete line may be appropriate when several stages need replacement, the factory is entering a new product family, or existing interfaces limit the upgrade. Compare outage time and integration cost as well as equipment price.

Is the widest or fastest machine the best purchase

Only when the available paper widths, cut plan, demand, and downstream capacity support it. A wider machine may create more saleable positions across a log, but the benefit can disappear if it needs uncommon parent reels or wastes more paper on the SKUs you run most. Compare good output and yield for the actual product mix.

How do I compare two machines that quote different speed units

Convert each claim to a shared finished product unit and record the time basis. Use the approved wound length and cut plan for rolls, or complete sheets and pack count for folded products. Check lane definitions, material assumptions, exchange time, and losses already included. Then compare the whole route at the agreed finished-product boundary.

What if I cannot supply every SKU for a pre-shipment trial

Prioritize the highest-volume and highest-risk products. Specify acceptable substitute materials if necessary, record differences, and reserve tests for the remaining SKUs during site acceptance. Do not treat untested products as demonstrated simply because their dimensions fall within the brochure range.

When should I confirm spare parts and service terms

Before issuing the order. Identify components whose failure would stop the line, check which replacements can be stocked locally, and verify who can install and configure them. Include the warranty trigger, escalation contacts, and training or service costs in the purchase documents.

Make the purchase decision against a defined production plan

Before approving the order, ask the supplier to explain how the proposed equipment will make your priority products from your available paper, deliver the required good output, and fit the space and equipment already at your site. Require a cost model based on those same conditions and a written test that can verify the promised result. The answer should be specific enough for production and maintenance teams to use after the sales discussion is over.

Discuss your converting project with DCY. Share your finished product specifications, parent reel details, packaging formats, shift targets, and factory layout through the solution proposal service. Ask for a proposed equipment scope, line balance, utility schedule, and acceptance plan built around your priority SKUs.