ArcFlat weld blocks have been developed, produced, and are ready to ship in 2 weeks from our warehouse.

ArcFlat ships via Standard Ground via UPS. Weld blocks do not require Freight Service. If you are purchasing a large quantity of ArcFlat Blocks, please reach out to Support for Freight Shipping options.

No. Due to the weight of the ArcFlat, we only ship to contiguous United States.

No. The ArcFlat is machined from a solid block of cast iron and no assembly is required.

The Leg Kit we offer is an entry level option that includes four 3"x3" steel tube legs with basic level feet and hardware. We understand that some customers will likely desire to customize features of the support structure which is why we sell the ArcFlat Weld block seperately. We have provided the ArcFlat bolt pattern in the Specification above to help you build your own custom support structure.

Click here to learn more about typical cosmetic defects you may encounter.

The ArcFlat fixture holes are machined to 0.630" ±0.005". Check with the manufacturer of your third-party clamps and tooling to ensure that these products are compatible.

Weld blocks can be joined with standard 1/2" bolts; however, the ±0.0075” flatness rating can only be maintained across the entire surface of two adjoining weld blocks using the Precision Bolt Kit. Learn more about the ArcFlat Precision Bolt Kit here. One precision bolt kit is required for each joint.

All Langmuir Systems products are covered by a 12 month limited warranty on hardware and 6 month limited warranty on electronics. The terms of the warranty are listed below:

1. Warranty benefits only apply to the original purchaser and expire if goods are resold. You must provide proof of purchase and your machine's unique serial number (if applicable) via email before a warranty claim may be filed.
2. The buyer has 7 days after delivery to report and request to receive any missing items. Langmuir Systems will ship the missing items to the buyer within 10 business days. Langmuir Systems has the right to refuse replacement of items to any buyer that it suspects may not be truthful. The buyer is responsible for the replacement of any missing items after the 7 day period expires.
3. Langmuir Systems guarantees the goods received to be defect free for a period of 12 months for mechanical hardware and 6 months for electronics. Items that meet the following conditions will be replaced free of charge:
   1. Items that are received in defective and unusable condition.
   2. Items that become defective and unusable after use as a result of a manufacturing, design, or material defect.
4. The warranty does not cover the following types of defects:
   1. Defects that do not negatively affect the items functionality. Examples may include scratches, dings, dents, and surface abrasions.
   2. Defects that are caused by improper assembly.
   3. Defects that are caused by improper use.
   4. Defects that are caused by inadequate or incorrect routine maintenance.
   5. Defects that are caused by improper storage of the item or exposure of the item to the elements.
   6. Defects that are caused by normal wear and tear.
5. If a damaged or defective item is covered by the warranty, Langmuir Systems reserves the right to request that the defective item be shipped back before supplying a replacement. Langmuir Systems will supply a shipping label to cover the expense of the return shipment. The Buyer is responsible for handling and packaging. Langmuir Systems will ship either a refurbished or brand new replacement item within 5 business days of receiving the defective item.

All products sold directly by Langmuir Systems are eligible for return and refund. The terms of the return and refund policy are listed below:

1. Only the original buyer of the item is eligible to return the item for a refund. Proof of purchase is required in order to be eligible for a refund.
2. A return must be requested within 30 calendar days following the delivery of the item. Return requests after the eligibility period will be denied.
3. The buyer is responsible for all shipping and handling costs associated with shipping the item back.
4. Items that are eligible for return must meet all of the following requirements:
   1. The item must be in unused condition.
   2. The item must be free of defects.
   3. The item must be received in the original packaging.
5. Langmuir Systems will inspect the item within 5 business days of receiving it. The buyer will be informed if it passes inspection and thus is eligible for a refund.
6. If Langmuir Systems concludes that the item meets the refund eligibility requirements, a refund for the original transaction amount minus a 20% restocking fee will be issued to the Buyer within 5 business days following the completion of the inspection.
7. 'In person' returns require permission from Langmuir Systems in advance.

Please reach out to support@langmuirsystems.com