Pros:
- Precision: Extremely accurate measurements.
- Versatility: Includes a taper attachment for a variety of turning operations.
- Powerful: High horsepower motor suitable for heavy-duty tasks.
- Durability: Robust construction ensures longevity and sustained performance.
- Ease of Use: User-friendly controls and an ergonomic layout.
Cons:
- Cost: Higher price point, which may be prohibitive for hobbyists or small shops.
- Size: Larger footprint requires more space, which might not be ideal for smaller workshops.
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Personal Experience with the Jet 321895 GH-2680ZH Lathe with ACU-RITE 200S DRO and Taper Attachment
As someone who has had the opportunity to operate the Jet 321895 GH-2680ZH Lathe extensively, I can provide some insights into its day-to-day performance and real-world usability. Having used various lathes over my career in precision machining, I found several aspects of this model that stand out, particularly its robustness and advanced features which cater to a professional environment.
Ease of Use
From the moment I began working with the Jet 321895, what impressed me the most was its user-friendly nature. The digital readout (DRO) system by ACU-RITE is remarkably intuitive, providing clear and precise readouts that are essential for detailed work. For someone dealing with intricate parts where precision is paramount, this feature alone makes a significant difference in the workflow efficiency.
Versatility in Applications
The versatility of the lathe is another point worth noting. With its ability to handle both inch and metric threading, along with a broad range of spindle speeds, I've used it on a variety of projects, from small, intricate pieces to larger, more robust components. The taper attachment, in particular, is a boon for jobs requiring precise tapering, a common requirement in custom fabrication jobs.
Performance and Reliability
In terms of performance, the Jet 321895 excels with its robust geared head and 10 HP motor, delivering the power needed for cutting through tougher materials without a hitch. The reliability is something I’ve come to rely on; it consistently performs well under continuous use, which is crucial in a high-output production environment.
Safety Features
Safety is another area where this lathe does not disappoint. The traveling splash guard and halogen work lamp ensure that I can work safely and effectively, reducing strain and the risk of accidents. This attention to safety is essential in maintaining a safe work environment, especially during long working hours.
Precision and Consistency
The precision of the Jet 321895 Lathe is something that consistently impresses me. The ACU-RITE DRO isn’t just for show; it provides pinpoint accuracy that is crucial when working to tight tolerances. Over months of use, the repeatability of results—whether threading, cutting, or tapering—has been outstanding. This reliability in performance means I can trust the machine to deliver consistent quality, which is invaluable when working on critical parts for aerospace applications.
Handling Complex Projects
The machine’s robust build and power have allowed me to tackle a range of materials—from aluminum to stainless steel—with ease. For instance, the spindle's power and the smooth operation of the gearbox make it possible to cut through tougher materials without any loss in precision. This capability is particularly beneficial when I’m tasked with creating custom parts that require both the hardness of tougher materials and the delicacy of fine, detailed work.
Purchasing Experience from Beaver Industrial Supply
Purchasing the Jet 321895 GH-2680ZH Lathe from Beaver Industrial Supply was a remarkably positive experience. Their customer service was exceptionally knowledgeable and attentive, ensuring that I understood all aspects of the lathe's capabilities and features before making the decision.
The buying process was smooth, with clear communication and efficient handling of logistics, which ensured the machine was delivered safely and on schedule. Additionally, their after-sales support was proactive, offering helpful tips on installation and maintenance.
Beaver Industrial Supply’s professionalism and commitment to customer satisfaction significantly enhanced my overall purchasing experience, making it straightforward and reassuring.
JET 321895 GH-2680ZH Lathe with ACU-RITE 200S DRO and Taper Attachment Overview
The JET 321895 GH-2680ZH Lathe marks a significant step in the evolution of precision machining, blending robust construction with advanced technological features. This review delves into its specifications, features, and performance to provide a detailed perspective on its capabilities and suitability for high-output production environments.
Design and Build Quality
The JET 321895 lathe showcases a sturdy design with a heavy-duty tailstock and quill, ensuring stability and precision in long-duration operations. Its bed ways are induction hardened and ground, enhancing durability against wear and tear. This machine is equipped with a 4-1/8” spindle bore and a swing over bed of 26 inches, accommodating large workpieces comfortably.
Spindle and Headstock
Central to its operation is a clutch-operated headstock, which ensures smooth control and easy handling of the machine. The headstock gears are hardened and ground, providing a high level of precision and reducing maintenance needs. The spindle mount is D1-8, with a spindle taper of MT-5, allowing for versatile tooling options and robust machining capabilities.
Speed and Control
The lathe offers 12 spindle speeds ranging from 36 to 1600 RPM, catering to a wide variety of material types and cutting conditions. The universal gearbox and headstock gearbox design facilitate easy selection of inch and metric threading, making this lathe highly versatile for different production requirements.
Digital Readout and Taper Attachment
One of the standout features of the JET 321895 is the ACU-RITE 200S Digital Readout (DRO). This system enhances precision by providing accurate readings and simplifies the machining process, allowing for precise cuts and measurements. The addition of a taper attachment expands the machine’s capability, enabling it to perform more complex turning operations such as taper turning with ease.
Safety and Convenience Features
Safety and operational convenience are paramount in the design of this lathe. It includes a traveling splash guard and a halogen work lamp, improving visibility and safety for operators. The rapid power traverse to the cross slide and carriage speeds up the machining process without compromising safety or precision.
Standard Equipment and Accessories
The lathe is well-equipped with standard tools and accessories to ensure it meets the needs of various machining tasks right out of the box. It comes with a 4-way toolpost, a 12” 3-jaw direct mounted scroll chuck with jaws, and a 16” 4-jaw chuck. Additionally, it includes a face plate, two steady rests, a follow rest, and a coolant system, making it ready for a wide range of machining operations.
Pros and Cons of Jet 321895 GH-2680ZH Lathe
Pros:
- 4-1/8″ Spindle Bore
- Clutch operated headstock with all headstock gears hardened and ground
- Heavy-duty tailstock and quill
- Rapid power traverse to cross slide and carriage
- Traveling splash guard
- 12 speeds ranging from 36-1600 RPM
- Headstock gearbox design allows easy selection of inch and metric threading
- Bed ways are induction hardened and ground for durability
- ACU-RITE 200S Digital Readout (DRO)
- Taper Attachment
- Comprehensive standard equipment including:
- 4-Way Toolpost
- 12″ 3-Jaw Direct Mounted Scroll Chuck with jaws
- 16″ 4-Jaw Chuck
- Face Plate
- 2 Steady Rests
- Follow Rest
- Coolant System
- Halogen work lamp
Cons:
- High initial investment cost
- Large footprint requiring significant workshop space
- Heavy weight necessitates proper setup and potentially reinforced flooring
- Complexity might require a learning curve for operators new to advanced lathes
- Maintenance of high-precision components can be demanding and time-consuming
Performance in Production
In high-output production settings, the JET 321895 lathe excels due to its rapid traverse features and robust construction. Its ability to handle both small and large workpieces with precision makes it a valuable asset in any machine shop. The machine’s range of longitudinal and cross feeds, along with its threading capabilities, allows for detailed and diverse machining operations.
Jet 321895 GH-2680ZH Lathe with ACU-RITE 200S DRO and Taper Attachment Specifications
Specification | Details |
---|---|
Model | GH-2680ZH |
Spindle Bore | 4-1/8″ |
Swing Over Bed | 26″ |
Swing Over Cross Slide | 16-1/2″ |
Swing Through Gap | 34″ |
Length of Gap | 8″ |
Distance Between Centers | 120″ |
Spindle Mount | D1-8 |
Spindle Taper with Sleeve | MT-5 |
Number of Spindle Speeds | 12 |
Range of Spindle Speeds (RPM) | 36 – 1,600 |
Number of Longitudinal and Cross Feed Rates | 65 |
Range of Longitudinal Feeds (IPR) | .0023 – .0937 |
Range of Cross Feeds (IPR) | .0040 – .0404 |
Number of Inch Threads | 48 |
Range of Inch Threads (TPI) | 2-30 |
Number of Metric Threads | 22 |
Range of Metric Threads | 1 – 14 |
Max Tool Size | 1-1/4″ x 1-1/4″ |
Compound Slide Travel | 5-1/2″ |
Cross Slide Travel | 12-3/32″ |
Carriage Travel | 108-1/4″ |
Tailstock Spindle Travel | 6″ |
Taper in Tailstock Spindle | MT-5 |
Follow Rest Capacity | 25/32″ – 3-15/16″ |
Steady Rest Capacity | Small: 25/32″ – 4-29/32″, Large: 3-15/16″ – 9-7/16″ |
Width of Bed | 16″ |
Motor (HP) | 10 HP, 230/460V, 3-Phase |
Prewired Voltage | 230V |
Weight | 9,362 lbs |
Overall Dimensions (L x W x H) | 178″ x 43″ x 57″ |
Drive Type | Geared Head |
Style | Engine – Large Spindle Bore |
Warranty and Support
JET stands behind their products with a Red Assurance 2-year warranty, ensuring that users can depend on reliable service and support. Authorized Service Centers across the United States provide quick service, routine maintenance, and major repairs, adding an extra layer of confidence for the end-user.
Conclusion
The JET 321895 GH-2680ZH Lathe with ACU-RITE 200S DRO and taper attachment represents a pinnacle of machine tool engineering. It is an essential tool for any serious machining facility, particularly those involved in producing large and complex parts.
With its superior design, extensive features, and robust construction, this lathe not only promises exceptional performance but also delivers on the demand for reliability and precision in modern machining operations.