Excavator Line Boring Machine
Portable On-Site Precision – Designed for in-place machining, ensuring accurate repair without equipment disassembly.
Wide Application Versatility – Suitable for repairing a variety of holes (pin, slewing, articulation) across multiple types of construction machinery.
Strong Clamping & Easy Installation – Flexible mounting options via welding or bolting make setup stable yet easy to relocate.
High Coaxial Accuracy – One-time positioning enables precise alignment of concentric or side-by-side holes.
Efficient Continuous Cutting – Supports high-efficiency machining with excellent cutting accuracy and surface finish.
The Excavator Line Boring Machine is a portable on-site machining tool specifically designed for processing and repairing small to medium-sized pipes and shaft pin holes. It is an essential piece of equipment in the maintenance and servicing of construction machinery. Widely applied across the industry, it is used for machining and restoring pin holes, slewing holes, boom connection points, and lifting ring holes after welding. It is also ideal for precision alignment and boring of concentric holes in excavators, loaders, cranes, crawler cranes, and large offshore lifting equipment. With a single positioning setup, it ensures the coaxiality of multiple holes during machining.
Product Detail
The Construction Machinery Boring Machine is suitable for structural repairs and machining of shaft pin holes, slewing holes, and articulated joints on various construction equipment. It can be used after welding or for bushing installation and reaming in machines such as excavators, loaders, presses, and cranes.
The boring machine is mounted using a combination of welding and bolted connections, allowing for secure clamping, easy disassembly, and convenient transportation. The Model 40 boring machine is particularly effective for machining multiple concentric or side-by-side holes in a single setup. It supports continuous cutting operations, delivering high productivity and exceptional machining precision.
Machine parameter
Main motor power | 1.5KW, stepless variable speed (0--180 rpm) |
Feed box | infinitely variable speed, automatic feeding |
Walking tool motor | 220V, 120w infinitely variable speed |
Boring range | diameter 45mm-200mm |
Boring bar specification | 40mm*1500mm (can be customized) |
Boring bar material | 45# |
Boring bar processing technology | tempering, turning, quenching, grinding, surface hard chrome plating |
Feed guide | double cylindrical guide (45# steel, tempering, turning, quenching, grinding, hard chrome plating). |
Cutting feed | Minimum 0.10mm/rev |
Maximum cutting capacity | 2mm on one side |
Working stroke | 300㎜(can be customized） |
Weight | about 60kg |
Positioning cone sleeve | aperture 40 mm, 4 pieces. |
Adjustable support frame | 1 set (2 before and 2 after). |
Tool holder | 1 set (processing aperture 90-130mm 1, 130-180mm 1). |
Cutting tools | 4 (W1 2 2, 2 HSS). |
Hexagon socket wrench | 1 set. |
10 "adjustable spanner | 1 set. |
Top silk | M8*10mm4, M8*25mm4. |
Coupling bolt | M10*65mm1. |
Packing cases | 2 (1 main machine, 1 boring tool bar). |
Random data | 1 set (operation manual and qualification certificate) |
Machine Picture
Complete accessories
It is equipped with different types of blades and adjustingknives for the convenience of customers
Main application range
Repair and post-welding machining of rotating holes, hinge joints, and shaft pin holes on construction machinery
Reaming and bushing installation of worn or deformed holes
Precision boring of concentric holes in excavators, loaders, hydraulic presses, cranes, etc.
Simultaneous positioning and boring of multiple adjacent holes, ensuring high coaxial accuracy
Service
(1) On-time Delivery
We are equipped with modern manufacturing capabilities and advanced machinery, enabling us to strictly follow production schedules and ensure timely delivery of your orders.
(2) 20+ Years of Industry Experience
With over two decades of manufacturing expertise, we proactively identify and address potential issues during the order and production process, significantly reducing risks and ensuring a smooth transaction.
(3) Dedicated One-on-One Service
Our two specialized sales teams offer end-to-end support—from initial inquiry to final shipment. You’ll work with a single point of contact throughout the process, saving time and ensuring clear, effective communication.
