Geiger Manufacturing

Geiger Manufacturing has been in Stockton since 1904 and calls itself the Valley’s oldest and largest job shop. It does custom machining, steel fabrication and welding with union machinists and fabricators, and its large-capacity equipment handles very big parts.

Capabilities

• Large-part CNC machining
• Vertical and horizontal boring
• Steel fabrication and welding
• Waterjet and laser cutting
• Line boring and repair
• Pump repair and rebuilding

Equipment

• 72 in. swing vertical boring mill; 4 in. and 5 in. horizontal boring mills
• 2 VTLs with 79 in. swing
• Lathes up to 14 ft between centers
• 16 ft steel planer; 200-ton wheel press
• 2 CNC lathes and 2 CNC mills; 5- and 15-ton overhead cranes

Materials

Steel.

Industries served

Local industry, including pumps (vertical turbine, axial flow, split case and others).

Request a quote

To request a quote from this shop, use the Request a Quote form. Tell us the part, material, quantity and deadline, and we will pass your request to the shop.

Heavy Machining, Boring and Pump Repair in Stockton: Geiger Manufacturing

Some jobs require equipment that few shops have. A boring mill with a large table, a lathe that takes long shafts, cranes that move heavy castings and a floor strong enough to hold them are all needed for oversized parts. Buyers in Stockton in water, agriculture and industry sometimes search for a shop that can handle work at that scale. Geiger Manufacturing is listed here for CNC milling and turning, welding, fabrication, laser and waterjet cutting, repair, line boring, large part machining, vertical boring, pump repair, union shop and heavy machining. This page explains what those terms mean.

What makes a part heavy work

A part is heavy work when its size or weight limits the machines that can hold it. That might mean a diameter measured in feet, a length measured in many feet or a weight measured in tons. Buyers should provide dimensions and weight at the start.

Boring mills

A boring mill enlarges and finishes holes with precision. Horizontal boring mills approach the part from the side and can reach across a large casting. Vertical boring mills hold the part on a rotating table and cut as it turns. Both are used on large housings, rings and frames.

Line boring

Line boring means machining several holes in a row so they share a common center line. It is used where a shaft or a pin passes through several supports. Over time, those holes wear and drift out of line. Re-boring restores alignment, often followed by new bushings or sleeves.

Steel fabrication and welding

Large machines and structures often start with welded steel. Fabricators cut plate and shapes, weld them into frames, and then send them to machining so critical surfaces are accurate. Union trained workers are common in industrial shops. If your project has labor requirements, mention them when you ask for a quote.

Waterjet and laser cutting

Both methods cut flat material to shape. A waterjet uses a stream of water and abrasive and creates no heat distorted zone. A laser cuts quickly and is good for thinner material. The choice depends on thickness, material and finish.

Pump repair and rebuilding

Industrial pumps, including vertical turbine and split case types, move water and other liquids. Wear shows up as damaged shafts, worn bearings, scored sleeves and corroded casings. Rebuilding involves disassembly, inspection, machining or replacement of worn parts, and reassembly. Provide the pump type, size, manufacturer and a description of the issue.

Planning large jobs

Large work takes time and coordination. Material may need ordering. Heavy parts must be moved with cranes and trucks. Delivery requires equipment at your dock. Ask early about schedule and handling.

Information to send

• Overall dimensions and weight
• Drawings, or the worn part with measurements
• Material, if known
• Description of the fault or the target specification
• Date needed in Stockton or the delivery point

Why history in a region matters

An industrial region such as the Central Valley has a long record of pumps, canneries and farm equipment, much of it still in service. That means buyers often need parts for older designs. A shop used to such work can help with reverse engineering and fitting.

Comparing options

For a very large job, compare the capacity, the timeline and the clarity of the quote. Ask how the quote handles surprises, such as hidden damage discovered during disassembly.

To ask about a large machining or repair job, send the details through the Request a Quote form and we will pass your details to the shop.

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