DEWALT Scroll Saw for Plastics: Top Models Reviewed

Best DEWALT Scroll Saw for Plastics: Top Models Reviewed

The DEWALT DW788 is the best DEWALT scroll saw for plastics, offering variable speed control from 400 to 1,750 SPM and a precise double parallel-link arm design crucial for clean cuts in various plastic materials. This model prevents melting and ensures smooth edges, making it ideal for intricate plastic fabrication projects.

Quick comparison

What Plastics needs from a scroll saw

Cutting plastics with a scroll saw demands specific features to prevent melting, chipping, or rough edges. Variable speed control is paramount; slower speeds reduce friction and heat buildup, crucial for materials like acrylic, polycarbonate, and PVC. A scroll saw for plastics should offer a wide range of speeds, ideally starting below 500 strokes per minute (SPM), to allow fine-tuning for different plastic thicknesses and types. Low vibration is another critical factor. Excessive vibration can cause the plastic to chatter, leading to imprecise cuts and potential material damage. A stable, heavy base and a well-balanced arm mechanism contribute significantly to minimizing vibration. Furthermore, a reliable blade tensioning system ensures the blade remains taut, preventing deflection and promoting cleaner cuts. The ability to use fine-tooth blades is also essential for achieving smooth, finished edges on plastics, reducing the need for extensive post-cutting sanding or filing. A dust blower is beneficial for keeping the cut line clear, improving visibility and accuracy, especially when working with materials that produce fine dust.

Detailed reviews

DEWALT DW788 Scroll Saw

The DEWALT DW788 is widely regarded as the top choice for cutting plastics due to its exceptional control and low vibration. Its variable speed motor operates from 400 to 1,750 SPM, allowing users to precisely match the speed to the specific type and thickness of plastic being cut. This prevents melting and ensures clean, smooth edges. The unique double parallel-link arm design significantly reduces vibration, a critical factor when working with delicate plastic sheets. The arm pivots from the rear, keeping the blade perpendicular to the work surface, which enhances accuracy. Tool-free blade changes are quick and easy, accommodating both pin-end and plain-end blades. The integrated dust blower keeps the cut line clear, improving visibility. With a 20-inch throat depth, the DW788 handles large plastic pieces with ease, making it versatile for various projects from intricate designs to larger components. Its robust construction ensures stability and durability, providing a reliable platform for consistent plastic fabrication.

DEWALT DW788-R Scroll Saw (Refurbished)

The DEWALT DW788-R offers the same high-performance capabilities as the new DW788 but at a potentially lower cost. As a factory-reconditioned unit, it undergoes thorough inspection and testing to meet DEWALT’s stringent quality standards. This means you get the identical variable speed range (400-1,750 SPM) and the same low-vibration double parallel-link arm design that makes the DW788 excellent for cutting plastics. All features, including the tool-free blade change system and integrated dust blower, are fully functional. Opting for a refurbished model can be a smart economic choice for hobbyists or professionals who need the precision and reliability of the DW788 for plastic work without the full new price tag. It provides an excellent balance of performance and value, ensuring clean, accurate cuts on various plastic materials, from thin acrylics to thicker polycarbonates. Always ensure refurbished units come with a warranty for peace of mind.

DEWALT DWS780 12-inch Double Bevel Sliding Compound Miter Saw

While an excellent tool for woodworking and certain construction tasks, the DEWALT DWS780 is not a scroll saw and is generally unsuitable for intricate plastic cutting. This is a powerful miter saw designed for making straight, angled, and bevel cuts in larger materials like wood and some types of plastic trim. Its high-speed circular blade (3,800 RPM) generates significant heat, which would melt and deform most common plastics used in scroll saw projects, such as acrylic or styrene. The DWS780 lacks the fine control, narrow blade, and variable low-speed settings necessary for detailed, curved, or internal cuts in plastic sheets. Attempting to use it for such tasks would result in poor quality cuts, material damage, and potential safety hazards. For precision work on plastics, especially intricate designs or internal cutouts, a dedicated scroll saw like the DEWALT DW788 is the appropriate and safe choice.

Routine fit

A DEWALT scroll saw, particularly the DW788, seamlessly integrates into various routines involving plastic fabrication. For hobbyists creating custom acrylic signs, intricate plastic models, or decorative elements, its precision and variable speed allow for detailed work without melting the material. Small businesses producing prototypes, custom plastic gaskets, or specialized components will find the DW788’s reliability and ease of use invaluable for consistent output. Educational institutions and workshops can utilize it for teaching students about plastic working, as its intuitive design and safety features are beneficial. Even for home DIY enthusiasts tackling repairs or crafting unique plastic items, the DEWALT scroll saw provides the control needed for clean, professional results. Its ability to handle different plastic types and thicknesses makes it a versatile addition to any workshop focused on precision plastic cutting.

FAQs

What blade type is best for cutting plastics on a DEWALT scroll saw?

For cutting plastics on a DEWALT scroll saw, fine-tooth blades are generally best. Specifically, skip-tooth or reverse-tooth blades with a high tooth count (e.g., 7-10 TPI or higher) are recommended. Skip-tooth blades help prevent heat buildup by clearing chips efficiently, while reverse-tooth blades minimize tear-out on the underside of the plastic. Always choose a blade width appropriate for the intricacy of your cut; narrower blades for tight curves, wider for straight lines. Experiment with different blade types and sizes to find what works best for your specific plastic material and project.

Can I cut thick acrylic with a DEWALT scroll saw?

Yes, you can cut thick acrylic with a DEWALT scroll saw like the DW788, but it requires patience and the correct settings. Use a fine-tooth, skip-tooth blade to minimize heat and friction. Set the scroll saw to a slower speed to prevent melting the acrylic. Apply light, consistent pressure, allowing the blade to do the work without forcing it. For very thick acrylic (e.g., over 1/2 inch), multiple passes or a slightly coarser blade might be necessary, but always prioritize slow speeds and controlled feeding to achieve clean, chip-free edges.

How do I prevent plastic from melting while cutting?

Preventing plastic from melting while cutting on a DEWALT scroll saw involves several key strategies. First, use the lowest possible speed setting on your variable speed scroll saw. This reduces friction and heat. Second, select a fine-tooth blade, preferably a skip-tooth or reverse-tooth design, which helps clear chips and dissipate heat. Third, avoid forcing the material; let the blade cut at its own pace with light, consistent pressure. Fourth, ensure your dust blower is active to keep the cut line clear of debris, which can also contribute to heat buildup. Lastly, consider cooling the blade or material with compressed air if melting remains an issue.

Is blade tension important when cutting plastics?

Yes, blade tension is extremely important when cutting plastics on a DEWALT scroll saw. Proper blade tension ensures the blade remains rigid and straight during the cut, preventing deflection and producing cleaner, more accurate edges. If the blade is too loose, it can wander, vibrate excessively, and lead to rough, imprecise cuts or even blade breakage. Too much tension, however, can also cause premature blade fatigue and breakage. Always follow the manufacturer’s recommendations for blade tension and perform a quick tension check before starting any plastic cutting project to ensure optimal performance and safety.

What safety precautions should I take when cutting plastics?

When cutting plastics with a DEWALT scroll saw, always wear appropriate personal protective equipment, including safety glasses to protect against flying debris and a dust mask to avoid inhaling fine plastic particles. Ensure good ventilation in your workspace, as some plastics can release fumes when cut. Keep your fingers clear of the blade path and use a hold-down foot to secure the material. Never wear loose clothing or jewelry that could get caught in the moving parts. Always unplug the scroll saw before changing blades or making adjustments. Familiarize yourself with the scroll saw’s operation manual and safety features before beginning any project.

Verdict

For anyone seeking the best DEWALT scroll saw for plastics, the DEWALT DW788 stands out as the definitive choice. Its precise variable speed control, ranging from 400 to 1,750 SPM, is crucial for preventing plastic melting and achieving smooth, clean cuts across various material types and thicknesses. The innovative double parallel-link arm design minimizes vibration, ensuring exceptional accuracy and reducing material chatter. While other DEWALT tools excel in their respective domains, none offer the specialized control and finesse required for intricate plastic work like the DW788. Investing in this model guarantees superior results for all your plastic fabrication projects.