Guide to the Multi-Pass Technique for Die Cutting Thick Chipboard
Die cutting thick chipboard opens up a world of creative possibilities for card makers, scrapbookers, and crafters who want sturdy album covers, dimensional embellishments, and durable project bases. However, many home and hobby die cutting machines are designed for thinner materials like cardstock, and they can struggle or even jam when faced with dense 1.5mm or 2mm chipboard. Without the right technique, such as the multi-pass technique, you may end up with incomplete cuts, bent dies, or a damaged machine.
That’s where the multi-pass technique comes in. Instead of forcing a single heavy pass that can strain your machine, this method gradually cuts through the material by running it through the machine several times, increasing pressure slightly between passes. This approach not only protects your dies and machine but also yields cleaner, more precise cuts in thick chipboard.
In this guide, we’ll walk you through everything you need to know about using the multi-pass technique with your home die cutting machine. You’ll learn the ideal sandwich setup, how to adjust pressure, step-by-step instructions, troubleshooting tips, and best practices to master this essential skill.
Quick Answer
The multi-pass technique for die cutting thick chipboard involves running your material through the die cutting machine multiple times with gradually increased pressure. This method prevents damage to your machine and dies while ensuring a complete cut. Start with low pressure, then add shims or tighten the roller for each pass until the chipboard is cut through.
Why Thick Chipboard Requires a Special Technique
What Exactly is Chipboard?
Chipboard is a thick, dense paperboard made from recycled paper fibers. Unlike corrugated cardboard, it’s solid and non-corrugated, offering strength and rigidity. It comes in various thicknesses, commonly ranging from 1mm to over 2mm. In crafting, chipboard is prized for creating sturdy album covers, boxes, drawer bases, and 3D projects. However, its thickness and density pose a challenge for standard die cutting methods.
The Limits of Home Die Cutting Machines
Most manual and electric die cutting machines for home use—such as those with a roller mechanism—are optimized for materials like cardstock, felt, or thin leather. When you attempt to cut thick chipboard in a single pass, you risk several problems:
- Incomplete cuts: The die may not penetrate fully, leaving a thin layer uncut that requires manual trimming.
- Machine strain: Excess force can bend the rollers or damage the internal gears, especially in machines with plastic components.
- Die warping: Thin metal dies can bend or distort under extreme pressure, ruining them for future use.
- Material shifting: The chipboard may slide during cutting, ruining registration and creating misaligned shapes.
These limitations make the multi-pass technique an attractive solution that works within the machine’s capabilities.
What is the Multi-Pass Technique?
The multi-pass technique is a method where you feed the material and die sandwich through the die cutting machine multiple times, each time with slightly increased pressure. Instead of one brutal crank, you make several lighter passes that incrementally score and then cut the chipboard. The key is to avoid exceeding the machine’s maximum pressure on any single pass, which protects both the tool and the material.
This technique is effective because chipboard’s dense fibers offer resistance that builds up gradually. By applying successive passes, you progressively weaken the material along the cutting line. Each pass deepens the score until the die breaks through. Think of it like sawing a log: a few gentle strokes to start the cut, then more aggressive strokes as the kerf forms.
Setting Up Your Die Cutting Machine for Multi-Pass Success
Choosing the Right Machine
While most manual roller-type die cutters can handle multi-pass chipboard cutting, it’s better if your machine has adjustable pressure settings. Machines with a hand crank and a metal core generally withstand the repeated stress better than lightweight electric models. If your machine offers different shim settings or an adjustable roller, you’re in good shape. Even without these features, you can still use the technique by manually adding layers of cardstock or thin cardboard as shims.
Building the Perfect Sandwich
The “sandwich” refers to the layered setup of cutting pads, dies, material, and shims that you feed through the machine. For thick chipboard, the standard sandwich (e.g., cutting pad, die, material, cutting pad) often needs to be adjusted. Here’s a typical multi-pass sandwich setup:
- Base cutting pad (the one that goes on the bottom).
- Die (cutting side facing up, toward the chipboard).
- Chipboard (placed flat over the die).
- Top cutting pad (covers the chipboard).
- Optional shims (thin pieces of cardstock or paper placed above or below the cutting pad to slightly increase pressure).
Be careful not to make the sandwich too thick on the first pass; you can always add shims later.
Adjusting Pressure Between Passes
There are two common ways to increase pressure gradually:
- Using shims: Add one or two thin sheets of paper or cardstock each pass. You can insert them between the cutting pad and the material, or on top of the sandwich, depending on the machine’s design.
- Adjusting the roller gap: Some machines have a knob or lever that changes the distance between rollers. Tighten it slightly (a quarter turn or one click) between passes.
Start with the absolute minimum pressure that engages the rollers and allows the sandwich to feed through. After each pass, increase pressure only until you feel a bit more resistance, but never force it.
Step-by-Step Guide to Multi-Pass Die Cutting
Step 1: Prepare Your Materials and Workspace
Collect your die, cutting pads, chipboard, and shims (e.g., printer paper, thin cardstock, or commercial shim sets). Ensure the die is clean and free of debris. Place the die on the base cutting pad with the cutting edge up. Lay the chipboard over it carefully, making sure it’s positioned exactly where you want the cut.
Step 2: Assemble the Initial Sandwich
Without any shims, lay down the base pad, place the die cutting-side up, position the chipboard, and cover with the top cutting pad. This is your “lightest” setup. Feed the sandwich into the machine just until the rollers catch it, then crank slowly.
Step 3: First Pass – Scoring the Surface
The goal of the first pass is merely to score the chipboard, not to cut through. You’ll likely hear a light scoring sound and see a faint outline on the back of the chipboard. If the machine struggles or the sandwich stops moving, release pressure and check if you’ve started with too much thickness.
Step 4: Increase Pressure and Make Subsequent Passes
Remove the sandwich. Add one shim (or tighten the roller adjustment slightly). Reassemble the same layers and feed through again. This time, the die should cut deeper. After each pass, check the back of the chipboard for cut depth. You’ll see the outline become more pronounced. Repeat this process, adding shims or adjusting pressure incrementally, until the chipboard is cleanly cut. This may take anywhere from 3 to 6 passes, depending on chipboard thickness and machine strength.
Step 5: The Final Pass and Clean-up
On your last pass, you should feel the rollers turn smoothly but with a bit more effort. Once the piece falls away or you can gently push it out, your cut is complete. Avoid using excessive force on the final pass; if the die hasn’t cut through after multiple passes, add one more shim rather than forcing the crank.
Troubleshooting Common Multi-Pass Issues
Incomplete Cuts After Many Passes
If after several passes the chipboard still isn’t fully cut, first check that your shims are being placed evenly. Also confirm that the die’s cutting edge isn’t dull or damaged. You might need a slightly higher maximum pressure, but if your machine simply isn’t strong enough, consider using a thinner chipboard or switching to a more industrial-themed machine if your project allows.
The Sandwich Won’t Feed Through
This often means the starting sandwich is too thick. Remove all shims and try again with just the cutting pads, die, and chipboard. If it still jams, your chipboard may exceed the machine’s maximum opening, and you’ll need to use a thinner material or a different technique.
Chipboard Bends or Creases During Cutting
Creasing can occur if pressure is applied unevenly or the chipboard shifts. Ensure the chipboard lies completely flat and is positioned centrally over the die. Use a brayer or your hand to smooth it down before adding the top pad. If creasing persists, try using a metal shim that distributes pressure more evenly than cardstock shims.
Die Gets Stuck or Warps
If your die becomes difficult to remove from the chipboard after cutting, it may be gripping the material too tightly. This can happen when too much pressure is applied on the final pass. Warping occurs when the die bends under stress. To prevent both, ease off on the final pressure increase and wiggle the die free gently. If the die is already warped, it may need to be straightened carefully with pliers (if metal) or replaced.
Tips and Best Practices for Consistent Results
- Test on scrap chipboard first. Before cutting your final piece, do a trial run to find the optimal number of passes and shim adjustments for your specific machine and die.
- Rotate the sandwich 180 degrees between passes. Some crafters find that turning the entire sandwich around helps distribute pressure evenly, especially if the machine’s rollers are slightly asymmetrical.
- Use a shim made of tough material. Thin acrylic or metal shims can withstand repeated use and provide more consistent pressure than cardstock, which may compress over time.
- Keep your cutting pads flat. Over time, cutting pads can warp. Store them flat and replace them when they become permanently bowed to ensure even pressure.
- Clean your dies after each use. Chipboard can leave sticky residue. A quick wipe with a lint-free cloth or a die cleaning brush keeps edges sharp.
- Don’t rush. The multi-pass technique is about patience. Cranking quickly increases the risk of slipping and uneven cuts.
Conclusion
The multi-pass technique is a game-changer for anyone who wants to die cut thick chipboard with standard home craft machines. By breaking the cutting process into manageable stages, you protect your tools, extend the life of your dies, and achieve professional-quality results that were once thought impossible without commercial equipment. Remember to start light, increase pressure in small increments, and always test your setup on scrap material. With practice, this technique will become second nature, opening up new dimensions for your card making, scrapbooking, and mixed media projects.
FAQ
Can I use the multi-pass technique with any die?
Most steel-rule dies and high-quality thin metal dies work well. Avoid using intricate or extremely delicate dies on heavy chipboard, as thin overlapping blades can warp. Always test with a less detailed die first.
How many passes does it typically take to cut 2mm chipboard?
It varies by machine and die, but generally between 3 and 6 passes. A sturdy manual machine might do it in 3–4 passes, while a lighter electric machine may need 5 or more.
Do I need special cutting pads for thick chipboard?
Standard cutting pads work, but they may wear faster. Some crafters reserve an older pair for chipboard cutting. Dedicated heavy-duty pads are available for certain machines if you cut chipboard frequently.
Can the multi-pass technique damage my machine?
If done properly, no. The technique is designed to avoid overstraining. However, if you force the machine or add too much pressure too quickly, you can damage gears or rollers. Always listen to the resistance and back off if it feels excessive.
Is it better to use shims or adjust the machine’s pressure knob?
Both are effective. A pressure knob offers precise, repeatable adjustments, while shims are a simple, low-cost method that works with any machine. Choose whichever your machine supports, or combine them for fine-tuned control.
Can I cut chipboard thicker than 2mm with this technique?
It’s possible but challenging. Very thick chipboard (over 2.5mm) may exceed the maximum opening of many home machines. If the sandwich won’t feed at all, you’ll need to either reduce thickness or use a different material.