Step-by-Step Troubleshooting Guide for Thick-Gauge Metal Coil Slitting Lines

You use a Thick-Gauge Metal Coil Slitting Line to get steady results and keep your work going. Unplanned downtime often happens because of things like broken parts, electrical trouble, or mistakes in moving materials.

• Broken parts can mean worn gears, drive issues, or rollers that are not lined up right.
• Electrical trouble can be from sensors not working or bad wires.
• Material problems might come from wrong tension or rolls that are damaged.

Checking, adjusting, and oiling the machine often helps stop these problems and keeps your work safe.

Key Takeaways

• Always follow safety rules like lockout/tagout. Wear the right protective gear before you work on the slitting line. This helps stop accidents from happening.
• Check rollers, blades, tension controls, and electrical systems every day. Do regular maintenance to keep the machine working well. This helps you avoid machine stops.
• Keep coil tension steady and make sure alignment is exact. This gives you good cuts and less scrap. It also keeps the machine and coils safe from harm.
• Use sharp blades and set the right knife clearance for each material. This helps you get clean cuts and makes the blades last longer.
• Write down all inspections, maintenance, and repairs. This helps you find problems that happen often. You can then plan good fixes early.

Safety and Preparation

Lockout/Tagout

You must always follow lockout/tagout rules before you repair or adjust the slitting line. These rules protect you from accidental machine starts and moving parts. Modern slitting lines use lockout/tagout systems to prevent accidents during maintenance.

•  Wear the right safety gear every time you work on the machine.
• Use guards and emergency stops to keep yourself safe.
• Sensors and covers help detect when you are near moving parts. They also protect you from dust and fumes.
• Training helps you and your team understand and follow all safety and lockout/tagout steps.

Tip: Never skip lockout/tagout steps, even for quick fixes. Safety always comes first.

PPE

Personal protective equipment (PPE) keeps you safe from sharp edges, heavy coils, and moving machinery. You should wear:

• Safety glasses or face shields to protect your eyes from flying debris.
• Cut-resistant gloves to guard your hands from sharp metal.
• Steel-toed boots to shield your feet from heavy objects.
• Hearing protection in loud areas.
• High-visibility clothing so others can see you easily.

Check your PPE before each shift. Replace damaged gear right away.

Pre-Check List

A thorough pre-check keeps your slitting line running smoothly. Use this checklist before every shift:

1.  Inspect roller boxes for any parameter changes. Replace if needed.
2. Check solenoid valves and make sure air and water paths stay clear.
3. Look for wear on inlet conduits and swap out if worn.
4. Watch for extra vibration. Stop and check bolts if vibration rises.
5. Examine looper rollers for wear and confirm smooth oil-air lubrication.
6. Test inserting plates in coil forming areas to prevent jams.
7. Inspect chains and sprockets for stable movement and proper lubrication.
8. Ensure double mandrels rotate smoothly and lubricate bearings.
9. Lubricate pallet chains and slide rails.
10. Check reducer oil levels every six months and change oil as needed.

Note: Cover all key machine parts, including hydraulic systems, rollers, slitting heads, tension controls, and rewind mechanisms. This helps you catch problems early and avoid downtime.

Power and Electrical

Power Issues

Power problems can stop your slitting line quickly. First, check the main power supply. Make sure the voltage is correct for the machine. If lights flicker or you hear odd sounds, power might not be steady. Unstable power can hurt motors and control panels.

If the machine does not start, check the main disconnect switch. A tripped breaker or blown fuse can cause this. Also, check emergency stop buttons. Someone may have pressed one by accident. Reset all stops before trying again.

Tip: Always use a voltage tester before touching wires. This helps keep you safe from electric shock.

If power drops happen a lot, talk to your facility’s electrician. You might need a better power supply or surge protection. Stable power keeps your slitting line working well and protects your equipment.

Electrical Faults

Electrical faults can cause many issues on your slitting line. You might see error messages or the machine may stop suddenly. Sometimes, the machine acts strange. These faults often come from:

•  Loose electrical connections from shaking or movement. These can make circuits fail.
• Damaged wiring from heat, rubbing, or chemicals. This can cause shorts or open circuits.
• Faulty sensors that send wrong data. This can make the machine act oddly.
• Control system problems like software bugs or hardware failures. These can cause the machine to act in ways you do not expect.

You can stop most electrical faults with regular checks. Look at wiring, connections, and control panels often. Tighten loose connections and change worn wires or sensors. Keep your control system software updated. This helps fix bugs and makes things work better.

Common Fault	What to Check	Quick Fix
Machine won’t start	Power supply, fuses, stops	Reset, replace, or call
Error messages	Sensors, wiring, software	Inspect, update, replace
Sudden stops	Connections, breakers	Tighten, reset

Note: Do not ignore small electrical problems. Fix them early to stop bigger problems later.

Tension Control

Tension Problems

You need to watch tension closely on a thick-gauge metal coil slitting line. If tension is not right, you get many quality problems. When recoil tension is too high or too low, coils can shake or get crown defects. These problems make coils hard to use and move.

• If tension is wrong during slitting or recoiling, winding sizes are uneven. Some slit strands are too loose, and others are too tight. This can make coils loop or telescope.
• Friction drag devices help balance tension but can scratch the coil. These marks make your finished product worth less.
• Uneven tension causes more shape and straightness problems. You might see cross bow, camber, or crown defects. These make later work harder.
• If you do not keep tension steady, coils shake more. This lowers coil quality and makes more scrap.

Tip: Always check tension during slitting and recoiling. Good tension helps you make flat, even coils and means you do not need extra fixes like paper stuffing.

Adjusting Tension

You can fix most tension problems with the right tools and settings. Thick-gauge slitting lines use looping pits and tension stands to control back tension.

• Looping pits and tension stands work together to keep tension steady. Pad-type tension stands use felt boards and push with cylinders or air bladders. This spreads force and keeps the strip safe.
• Rotary tension stands use spinning rolls that move at strip speed. These stands help stop scratches and are good for special surfaces.
• You can change clamping force with cylinders or screw jacks. Braking force comes from water-cooled brakes or electric drag generators.
• Pick roll materials based on the strip. Use polyurethane rolls for dry strips and nonwoven fabric rolls for oily strips.
• Quick-change roll designs let you switch rolls fast and save time.

Note: Always use the right tensioning method for your material and thickness. Careful changes stop strip damage and keep coils flat and even.

Alignment and Tracking

Misalignment

You must keep your coil material lined up as it moves. If the coil is not straight, you get bad quality and more scrap. Your equipment can also wear out faster. You might see slit widths that are not even. Sometimes, the edges have burrs. Coils may not wind up straight. These problems often start where the coil enters the line.

Some common alignment problems are:

• Coils that do not enter in the center. This makes the width uneven and causes more scrap.
• Feeding parts that get worn or dirty. This can make the coil move out of place.
• Not enough alignment guides or rollers. This makes it hard to keep the coil straight.
• Centering devices that do not work well. The strip can wander during slitting.
• Recoiling mandrels that are not lined up right. This causes the sub-coils to wind unevenly.

Tip: Check your coil feeding parts and alignment guides often. Clean and take care of them to stop misalignment before it happens.

Correcting Alignment

You can fix misalignment with the right tools and steps. First, look at your coil handling equipment. Make sure everything is tight and in the right spot.

Here are some ways to fix alignment:

• Use alignment guides, automatic centering devices, and steering pinch rolls. These help keep the coil in the center.
• Put strip guide systems on recoiling mandrels. This helps the coils wind evenly.
• Use multi-roll leveling machines with adjustable rolls. These remove camber and crown from thick-gauge coils.
• Use high-precision tension control systems. Synchronized nip rollers and hydraulic tensioning help stop wave patterns.
• Pick double-ended expanding decoilers with hydraulic controls. These stop the coil from collapsing or shifting.
• Add smart control systems like PLC and HMI. These let you watch and adjust in real time.
• Make sure slitting arbors, knives, and stripper rings are the right size and well cared for. This stops deflection and camber.
• Change knife clearance for the material’s strength. This gives you clean, straight edges.

Note: Always leave enough space for the material to loop between uncoiling, straightening, and feeding. This helps each step work together and keeps the strip tracking straight.

If you focus on alignment at every step, your equipment stays safe. You also get high-quality, straight-wound coils every time.

Blades and Knives

Blade Sharpness

Blades must be sharp to cut thick-gauge metal coils well. If blades are dull, you get rough edges and burrs. Uneven cuts can also happen. These problems make the coil quality worse and cause more waste. Sharp blades help the line work faster and better.

• When blades wear out, cuts become uneven and burrs form. This makes more waste.
• If blades are very worn, cutting is not smooth. Slitting becomes uneven and burrs get worse.
• Blades can get notches from hitting hard things. Notches make cutting worse and waste goes up.
• If blades are put in wrong, pressure is not even. This lowers cut quality and makes blades wear out faster.
• Blade material and hardness must fit the metal. If not, blades wear out or break too soon.
• Check, clean, and change blades often to keep them sharp and working well.
• Change blade angle and feed speed for each material. This helps blades last longer and cut better.
• Sharp blades make smooth cuts and fewer burrs. They help the line work better. Dull blades wear out fast and slow down the line.

Tip: Always check if blades are sharp before each shift. Change or sharpen any blade that looks worn or damaged.

Knife Clearance

Knife clearance is the space between the top and bottom blades. You must set this space for each coil’s thickness and strength. The right gap gives smooth edges and less tool wear. If the gap is too small, blades wear out and burrs form. If the gap is too big, you get edge cracks or rollovers.

Material Type / Tensile Strength	Recommended Clearance (% of sheet thickness)	Notes on Performance Impact
Mild Steel (low tensile strength)	~6% to 10%	Small gaps need good alignment and wear tools more; best for mild steels
High Strength Steel (e.g., AHSS)	10% to 15%	At 15% gap, edges look better and holes expand more; balances tool wear and edge strength
Very High Strength Steel (>1400 MPa)	16% or higher	Big gaps lower burrs and extra cuts but may cause rollovers; depends on grade and thickness

Note: For most thick-gauge lines, set knife clearance from 10% to 16% of sheet thickness. Change the gap for harder or thicker coils.

Tooling Changeover

Change blades and knives when you switch materials or see wear. Always follow safe steps for quick changeover. Clean all parts before putting in new blades. Check if everything lines up and is tight. Use the right tool for each blade.

• Look at all knives and spacers for damage.
• Clean and oil arbors before putting them back together.
• Set the knife gap for the new coil.
• Tighten all bolts to the right tightness.

Tip: Write down when you change blades or do maintenance. This helps you see patterns and plan for new blades.

Feeding and Lubrication

Feeding Problems

There are many feeding problems on thick-gauge metal coil slitting lines. These problems can slow down your work and make products worse. You need to find these problems early to keep things running well.

•  If you do not have enough lubrication, the line may start rough. Air ducts can wear out or quick couplings might leak. Sealing rings can break and air pressure can go up and down.
• Feeding is not accurate if the line goes too fast or the length is set wrong. Air pressure that changes a lot can also cause trouble. Mold mistakes, missing guide pins, and old clamping plates make feeding less exact. Thin or bent strips and not using the machine for a long time also cause problems.
• Sometimes, iron pins get stuck in the feeder cylinder. Sealing rings can wear out if the machine sits unused for a while.
•  Air leaks at exhaust ports mean control tubes are worn out. Sealing rings might be broken or floating rods and guide valves could be bent.
•  Coil camber is when the coil has a curve along its length. This makes feeding uneven and wastes material.
• Edge wave means the coil edges are wavy. This can make the coil move wrong and cause feeding problems. Bad material, poor setup, leveling equipment that is not set right, and temperature changes can cause these problems.

Tip: Always check for coil camber and edge wave. Fixing these problems helps feeding stay correct and makes less scrap.

Lubrication Tasks

Lubrication helps your slitting line work well and tools last longer. You need to follow a schedule to get the best results. Use the right lubricant for each part to stop friction and wear.

Maintenance Level	Frequency	Key Activities	Purpose/Benefit
Level 1	Daily and Weekly	Clean off dirt, add oil, test the machine, clean sensors	Stop quick breakdowns, keep sensors working
Level 2	Monthly and Quarterly	Add more oil, look for worn parts, fix alignment, check sensors	Stop big failures, help the machine last longer

You should use polymer lubricants for cold forging and extrusion. These help parts slide and make dies last longer. Water-soluble lubricants are good for blanking and forming. They stop rust and keep tools clean. Some lubricants keep dies cool and stop sticky stuff from building up.

Note: Never skip lubrication jobs. Doing them all the time makes products better and keeps your line working great.

Rewinding and Winding

Rewind Quality

You must watch rewind quality on a thick-gauge metal coil slitting line. Good rewind quality means coils are even, stable, and easy to move. Some important things help you get this:

•  A strong steel frame holds the machine steady. This frame stops shaking and bending when you rewind. If the frame stays firm, you do not get uneven coils or coil problems.
• You need to control tension very carefully. If tension changes a lot, coils can get loose or break. You want tension to stay the same the whole time.
• Servo motor control systems are best for thick-gauge coils. These systems react fast and keep tension just right. You get less waste and better coils.
• Other tension control ways, like magnetic powder clutches or dancer arms, are not as exact. They may be too slow or not work well with heavy coils.

Tip: Always check your tension control system before you start. Good tension keeps coils flat and stops problems later.

Winding Issues

You can have many winding problems on your slitting line. Each problem has a reason and a way to fix it. The table below shows common winding problems, what causes them, and how to fix them:

Winding Issue	Causes	How to Fix
Edge Burrs	Knife clearance too tight or loose; dull knives; too much overlap	Set correct knife clearances; use sharp knives; avoid excessive overlap
Edge Wave	Too much vertical knife clearance; wrong stripper ring size or hardness	Control vertical clearance; use correct stripper rings and align them properly
Camber	Stresses in coil; uneven knife clearance	Check coil orientation; adjust knife clearance evenly on both edges
Crossbow	Too much knife overlap; wrong stripper ring sizes	Adjust vertical clearance; use properly sized stripper rings
Knife Marks	Poor stripper ring use; tape on knives	Use proper stripper rings; never use tape on knives
Slit Width Issues	Wrong knife clearance; worn tooling; poor maintenance	Maintain tooling; set correct clearances; follow good maintenance practices
Tooling Problems	Damaged spacers; wrong specifications; plastic shims	Use correct, undamaged tooling; avoid plastic shims; keep tooling in good condition
Maintenance Issues	Loose bearings; damaged parts; lack of inspection	Perform regular maintenance; train staff; inspect machine parts often

Checking your machine often and fixing things fast helps you stop winding problems. This keeps your coils safe and your line working well.

Coil Inspection

Master Coil Defects

You need to inspect every master coil before you start slitting. Careful inspection helps you catch defects early. If you miss these problems, they can cause major issues later in the process. You can prevent most downstream defects by checking the coil’s shape and surface.

Common master coil defects include:

• Crown: The coil is thicker in the center than at the edges. This causes wedge-shaped strips and camber after roll forming.
• Edge Wave: The edges of the coil are longer than the center. This creates wavy edges in slit coils.
• Crossbow: The top and bottom surfaces of the coil have different lengths. This leads to oil canning or edge wave.
• Camber: The edge of the coil slowly moves away from a straight line. This makes the strip hard to guide.
• Bow: The coil bends in a vertical plane. You may see cross bow or longitudinal bow.
• Curve (Sweep): The coil bends in a horizontal plane. Misalignment or uneven pressure often causes this.
• Twist: The coil forms a helical shape. Too much forming pressure can cause this.

Tip: Always use strict quality control when you inspect master coils. Early detection keeps your slitting line running smoothly.

You can use the table below to help identify defects during inspection:

Defect Type	Description / Characteristics
Coil Set	Coil curves due to surface-to-surface length differences.
Crossbow	Top and bottom surfaces have different lengths, causing a bow shape.
Edge Wave	Edges are longer than the center, creating wavy edges.
Center Buckle (Oil Can/Canoe)	Center is longer than the edges, causing buckling in the middle.
Camber	Gradual deviation from straightness along the edge.
Twist	Strip forms a helical twist due to complex edge differences.
Crown	Thickness varies across the width, often thicker in the center.

Edge Wave and Crown

You must pay special attention to edge wave and crown defects. These two problems often cause the most trouble during slitting and rewinding.

Edge wave happens when the coil edges are longer than the center. You will see wavy edges on slit strips. This defect makes it hard to keep the strip straight. It can also cause tracking problems and poor coil shape.

Crown means the coil is thicker in the middle than at the edges. This thickness difference leads to wedge-shaped strips. You may notice camber or uneven winding after slitting. Crown defects often come from the rolling process, but you can spot them during inspection.

If you find edge wave or crown, do not start slitting. Mark the coil and report it. Using a defective coil can damage your equipment and lower product quality.

Careful inspection and early action help you avoid costly problems. You keep your slitting line safe and your finished coils high in quality.

Troubleshooting Steps for Thick-Gauge Metal Coil Slitting Line

Common Symptoms

You can find problems on your thick-gauge metal coil slitting line by looking for certain signs. These signs show up on the coils or the machine. If you see any of these, act fast to stop bigger problems.

• Edge wave means the coil strip has wavy or bumpy edges. This happens when the edges are longer than the middle.
• Center buckle is when the coil has bumps or folds in the center. This happens if the middle is longer than the edges.
• Crossbow is when the coil bends so the top is longer than the bottom. You might see this while slitting.
• Camber is when the coil edges curve instead of being straight. This makes the edges not match up.
• Roll marks are straight lines or marks on the coil’s surface. These come from bad rollers or dirt.
• Scratches are lines you can see on the coil. These happen when the coil is moved or stacked.
• Edge bubbling is when bubbles show up on the coil edge. This can be from too much paint or bad edge quality.

Tip: If you see any of these signs, stop the line and check the area. Acting early helps you avoid long stops and big repairs.

Solutions

You can fix most problems on your thick-gauge metal coil slitting line by following easy steps. Use this checklist to help you. Each step checks a part of the line and helps you find the problem fast.

Step	What to Check/Do	Why It Matters / What to Look For
1	Look at the master coil for defects like edge wave, crown, camber, or crossbow	Stops you from using bad coils; keeps later steps safe
2	Check power, fuses, breakers, and control panels	Makes sure the machine has good power; fixes electric problems
3	Check tension settings and sensors; change if needed	Keeps coils flat; stops edge wave or buckling
4	Look at winding shafts, rollers, and blades; realign if needed	Fixes parts that are not lined up; helps coils track right
5	Check if blades are sharp and knife clearance is right; change if needed	Stops burrs, edge problems, and bad cuts
6	Make sure feeding guides and rollers are clean, lined up, and oiled	Helps feeding go smooth; stops jams and damage
7	Keep up with oiling; check oil and grease every day	Lowers friction and wear; helps the machine last longer
8	Use process checks and quality checks during the run	Finds mistakes early; cuts down on waste and stops
9	Write down what you find and do in a log	Helps you spot repeat problems; makes fixing easier next time
10	If problems keep happening or are hard to fix, call a technician	Keeps you safe and gets big problems fixed the right way

 Quick Checklist:

• Are all safety systems working?
• Is the master coil free from defects?
• Do rollers and guides move well?
• Are blades sharp and set right?
• Is tension steady while slitting and rewinding?
• Did you oil all the right spots?
• Did you write down your maintenance?

Always start with the easy checks, like power and looking for defects. Go step by step and check each part. If you find a problem, fix it before moving on. This saves time and keeps your thick-gauge metal coil slitting line working well.

Note: Doing regular checks, careful inspections, and keeping good records helps you avoid most problems. If you have a tough problem, call a trained service person.

Maintenance for Thick-Gauge Metal Coil Slitting Line

Taking care of your Thick-Gauge Metal Coil Slitting Line helps it work its best. You save money, stop breakdowns, and make sure every coil is good. There are three main things to do: daily checks, planned maintenance, and keeping records.

Daily Checks

Start each shift by looking over the machine. These checks help you find small problems early. Use this table to help you remember what to do:

Inspection Phase	Key Daily Checks
Pre-Startup Inspection	– Look at the oil gauge to check hydraulic oil – Watch oil temperature and warm up if needed – Check the pressure gauge for anything strange
Startup Phase Inspection	– Listen for weird pump sounds – Look at filter parts and piping, especially if it’s cold
Ongoing Operation & Shutdown	– Use a thermometer to check oil temperature – See if pressure control valves work right – Look for oil leaks, especially where it’s hot – Check valve parts and pipes for shaking or hits

Before you start, check the gear system too:

• Make sure everything lines up and fits together.
• Check that bolts and support arms are tight.
• The base for the outside support arm should be flat.

Blades need special care every day. Do these steps:

1. Look at blade edges and chips for any damage.
2. Make sure each blade is tight and does not wiggle.
3. Wipe blades clean after every shift to get rid of dirt.

Tip: Checking oil, blade sharpness, and tension every day stops bad cuts and keeps the machine safe.

Scheduled Maintenance

Plan regular checkups to keep your Thick-Gauge Metal Coil Slitting Line in great shape. These jobs are more than daily checks and look deeper into the machine.

• Oil all moving parts when the maker says to. Use the right oil for each part.
• Adjust tension control systems and sensors. This keeps coils flat and stops mistakes.
• Look at blades, spacers, and stripper rings. Change them if they are dull or broken.
• Check hydraulic systems for leaks, low pressure, or hot spots. Change filters and seals if needed.
•  Look at rollers, guides, and mandrels for wear or if they are not straight. Fix or change them to keep the coil moving right.
• Test safety systems like emergency stops and lockout/tagout. Make sure all guards and covers are on.

Make a plan for these jobs—some are weekly, some monthly, and some every few months. Write down each job when you finish it.

Note: Doing regular checks and oiling helps your machine last longer and stops big problems.

Recordkeeping

Good records help you know how your slitting line is doing. You can see patterns, plan fixes, and show you follow safety rules.

•  Write down every check, fix, and part you change.
• Record every problem, even small ones, and how you fixed them.
• Write about both planned and surprise checks. Watch parts that wear out fast.
• Look at your notes often. Use them to plan fixes before things break.

Alert: Keeping good records helps you find repeat problems early. You make better choices and keep your Thick-Gauge Metal Coil Slitting Line working well.

When to Call a Professional

Persistent Issues

You work hard to keep your thick-gauge metal coil slitting line running well. Sometimes, problems keep coming back even after you check and fix them. When you see these signs, you should call a professional:

• You need to meet high precision slitting with very tight tolerances, such as +/- 0.005 inches.
• You handle thick metal coils, sometimes up to 0.260 inches or even 0.500 inches.
• You need extra processing, like edge conditioning or leveling, to keep your coils flat and smooth.
• The line has complex issues that need special tools or expert knowledge.
• You must follow strict quality standards or need certifications for your products.
• You notice that your current fixes do not last, or the same problem keeps coming back.
• You depend on reliable, on-time delivery and cannot afford more downtime.
• You want support from a team with a strong reputation and many years of experience.

 Alert: If you see repeated electrical faults, major alignment problems, or tension issues that you cannot solve, stop the line and call a service expert. Waiting too long can cause bigger damage and higher costs.

Service Providers

Choosing the right service provider helps you fix problems fast and keep your line safe. Look for these qualities when you pick a repair or maintenance team:

• Years of experience in field service, inspections, and repairs for slitting lines.
• Ability to help with remote troubleshooting and on-site support.
• Custom service plans that fit your needs and schedule.
• Skills in mechanical, hydraulic, and electrical upgrades.
• Access to high-quality spare parts and the right tools.
• Experience with rebuilds and upgrades, even if your machine is from a different maker.
• Teams with over 10 years in research, production, and after-sales service.
• Fast response times, such as answering your questions within 24 hours.
• Good customer reviews and a strong track record for quality and on-time work.
• Extra help, like audits, training, and advice to make your line better.

Tip: Always choose a provider who listens to your needs and offers clear, honest support. A good partner helps you keep your slitting line running at its best.

You get a lot of benefits from checking your Thick-Gauge Metal Coil Slitting Line often and fixing problems right away. When you plan maintenance and have workers help, like in steel plants, you stop the line from breaking down and keep it working well. Always put safety first. Check the machine often and fix things quickly. Training and good habits help you make better coils, work faster, and keep everyone safe. If problems keep happening, call an expert for help. Being ready and careful helps your line run safely and without trouble.

FAQ

What should you do if the slitting line keeps stopping unexpectedly?

First, check if the power is working right. Look at emergency stops and control panels. See if any wires are loose or if breakers have tripped. If it still stops, call a trained technician for help. Always follow safety rules before you try to fix anything.

How often should you sharpen or replace slitting blades?

Check the blades before every shift starts. Sharpen or change them if you see dull edges, burrs, or cuts that are not even. Sharp blades help make clean cuts and less waste.

Why does coil tension matter during slitting?

The right tension keeps coils flat and stops problems like edge wave or buckling. If tension is too high or too low, the coil can get damaged or wind badly.

What is the best way to prevent feeding problems?

Clean and oil guides and rollers every day. Check for coil camber or edge wave before you start. Use the right speed and tools to keep the material moving straight.

When should you call a professional for help?

Call a professional if you keep having electrical faults, big alignment problems, or tension issues you cannot fix. Experts have the right tools and know-how to fix hard problems safely.